January 1 – The Cristero War erupts in Mexico when Catholic rebels attack the government, which had placed heavy restrictions on the Catholic Church.
January 7 – The first transatlantic telephone call is made via radio from New York City to London.
January 7 – The Harlem Globetrotters play their first ever road game in Hinckley, Illinois.
January 9 – A military rebellion is crushed in Lisbon, Portugal.
January 15 – Teddy Wakelam gives the first sports commentary on BBC Radio.
January 19 – Great Britain sends troops to China to protect foreign nationals from spreading anti-foreign riots in Central China.
January 24 – U.S. marines invade Nicaragua by orders of President Calvin Coolidge, intervening in the Nicaraguan Civil War and remaining in the country until 1933.
January 30 – Right-wing veterans and the Republikanischer Schutzbund clash in Schattendorf, Austria, with two fatalities resulting (see also July 15).
February – Werner Heisenberg formulates his famous uncertainty principle while employed as a lecturer at Niels Bohr's Institute for Theoretical Physics at the University of Copenhagen.
February 12 – The first British troops land in Shanghai.
February 14 – An earthquake in Yugoslavia kills 100.
A general strike in Shanghai protests the presence of British troops.
In the United States, the silent romantic comedy film It starring Clara Bow, is released, popularising the concept of the "It girl".
February 23 – The U.S. Federal Radio Commission (later renamed the Federal Communications Commission) begins to regulate the use of radio frequencies.
March 4 – A diamond rush in South Africa includes trained athletes that have been hired by major companies to stake claims.
March 7 – The 7.0 Mw Kita Tango earthquake kills at least 2,925 in the Toyooka and Mineyama areas, western Honshu, Japan.
March 10 – Albania mobilizes in case of an attack by Yugoslavia.
In New York City, the Roxy Theatre is opened by Samuel Roxy Rothafel.
The first armored car robbery is committed by the Flatheads Gang near Pittsburgh.
March 13 – Fritz Lang's culturally influential film Metropolis premieres in Germany.
March 24 – Nanking Incident: After six foreigners have been killed in Nanking and it appears that Kuomintang and Communist Party of China forces would overrun the foreign consulates, warships of the U.S. Navy and the British Royal Navy fire shells and shot to disperse the crowds.
April 1 – The U.S. Bureau of Prohibition is founded (under the Department of the Treasury).
April 5 – In Britain, the Trade Disputes and Trade Unions Act 1927 forbids strikes of support.
April 7 – Bell Telephone Co. transmits an image of Herbert Hoover (then the Secretary of Commerce), which becomes the first successful long distance demonstration of television.
The Royal and Parliamentary Titles Act 1927 renames the United Kingdom of Great Britain and Ireland as the United Kingdom of Great Britain and Northern Ireland. The change acknowledges that the Irish Free State is no longer part of the Kingdom.
Kuomintang troops kill a number of communist-supporting workers in Shanghai. The incident is called the April 12 Incident, or the Shanghai Massacre. The 1st United Front between the Nationalists and Communist ends, and the Civil War lasting until 1949 begins.
April 14 – The first Volvo automobile rolled off the production line in Gothenburg, Sweden.
April 18 – The Kuomintang (Nationalist Chinese) set up a government in Nanking, China.
April 21 – A banking crisis hits Japan.
April 22–May 5 – The Great Mississippi Flood of 1927 strikes 700,000 people in the greatest natural disaster in American history through that time.
The Carabineros de Chile (Chilean national police force and gendarmery) are created.
João Ribeiro de Barros becomes the first non-European to make a transatlantic flight, flying from Genoa, Italy, to Fernando de Noronha, Brazil.
May – Philo Farnsworth of the United States transmits his first experimental electronic TV motion pictures, as opposed to the electromechanical TV systems that others had used before.
May 9 – The Australian Parliament convenes for the first time in Canberra, Australian Capital Territory. Previously, the Parliament had met in Melbourne, State of Victoria.
May 11 – The Academy of Motion Picture Arts and Sciences, the "Academy" in "Academy Awards", is founded.
May 12 – British police officers raid the office of the Soviet trade delegation in London.
May 13 – King George V proclaims the change of his title from King of the United Kingdom of Great Britain and Ireland to King of Great Britain and Northern Ireland.
May 17 – U.S. Army aviation pioneer Major Harold Geiger dies in the crash of his Airco DH.4 airplane, at Olmsted Field, Pennsylvania.
May 18 – Bath School disaster: a series of violent attacks results in 45 deaths, mostly of school children, in Bath Township, Michigan.
May 20 – By the Treaty of Jeddah, the United Kingdom recognizes the sovereignty of Ibn Saud over the Kingdom of Hejaz and Nejd, the future Saudi Arabia.
May 20–21 – Charles Lindbergh makes the first solo, nonstop transatlantic airplane flight, carried out from New York City to Paris, France, in his single-engined aircraft, the Spirit of St. Louis.
May 22 – The 7.6 Mw Gulang earthquake affects Gansu in northwest China with a maximum Mercalli intensity of XI (Extreme), leaving over 40,000 dead.
May 23 – Nearly 600 members of the American Institute of Electrical Engineers and the Institute of Radio Engineers view a live demonstration of television at the Bell Telephone Building in New York City, just over a year after John Logie Baird of Scotland had first demonstrated an electromechanical television system to the members of the Royal Society in London.
May 24 – The United Kingdom cuts its diplomatic relations with the Soviet Union due to revelations of espionage and underground agitation.
June 4 – Yugoslavia severs diplomatic relations with Albania.
June 4–6 – Clarence Chamberlin and Charles Albert Levine take off from Roosevelt Field, New York, and fly to Eisleben, Germany, in the Wright-Bellanca WB-2 Columbia aircraft Miss Columbia, two weeks after Charles Lindbergh's historic solo flight.
June 7 – Pyotr Voykov, the Soviet ambassador to Poland, is murdered.
June 9 – The Soviet Union executes 20 for alleged espionage.
Léon Daudet, the leader of the French monarchists, is arrested in France.
A ticker tape parade is held for the aviator Charles Lindbergh down 5th Avenue in New York City.
June 28 – Iberia Spanish Airlines is established.
June 29 – A total eclipse of the sun takes place over Wales, northern England, southern Scotland, Norway, northern Sweden, northmost Finland, and the northmost extremes of Russia.
June 29-July 1 – Commander Richard E. Byrd, Bernt Balchen, George Noville, and Bert Acosta take off from Roosevelt Field, New York, in the Fokker Trimotor airplane America and cross the Atlantic to the coast of France, having to ditch there because of bad weather. All four men survive the emergency landing.
July 1 – The Food, Drug, and Insecticide Administration (FDIA) is established as a United States federal agency.
July 10 – Kevin O'Higgins, Vice-President of the Executive Council of the Irish Free State and Minister for Justice, is assassinated by the anti-Treaty Irish Republican Army in Dublin.
July 11 – The 1927 Jericho earthquake strikes Palestine, killing around 300 people. The effects are especially severe in Nablus, but damage and fatalities are also reported in many areas of Palestine and Transjordan such as Amman, Salt, Jordan, and Lydda.
July 13 (Wednesday, Tamuz 13, 5687): 12:30 – Rebbe Yosef Yitzchak Schneersohn is freed from the imprisonment which began on June 15 (Wednesday, Sivan 15, 5687) at 02:15 in exile in the Russian town of Kostroma.
July 15 – July Revolt of 1927: 85 protesters and five policemen are left dead after the police in Vienna fire on an angry crowd, mostly members of the Social Democratic Party of Austria; more than 600 people are injured.
July 24 – The Menin Gate is dedicated as a war memorial at Ypres, Belgium.
August 1 – The Communist Chinese People's Liberation Army is formed during the Nanchang Uprising.
August 2 – U.S. President Calvin Coolidge announces, "I do not choose to run for president in 1928."
August 7 – The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York.
August 10 – The Mount Rushmore Park is rededicated. President Calvin Coolidge promises national funding for the proposed carving of the presidential figures.
August 22 – 200 people demonstrate in Hyde Park, London against the death sentencing of Italian immigrant anarchists Sacco and Vanzetti.
August 23 – Sacco and Vanzetti are executed.
August 24 – August 25 – Hurricane hits the Atlantic Provinces of Canada, causing massive damage and at least 56 deaths.
August 26 – Paul R. Redfern leaves Brunswick, Georgia, flying his Stinson Detroiter "Port of Brunswick" to attempt a solo nonstop flight to Rio de Janeiro, Brazil. He later crashes in the Venezuelan jungle, but the crash site has never been found.
September – The Autumn Harvest Uprising occurs in China.
September 7 – The University of Minas Gerais is founded in Brazil.
September 18 – The Columbia Phonographic Broadcasting System (later known as CBS) is formed and goes on the air with 47 radio stations.
September 25 – A treaty signed by the League of Nations Slavery Commission abolishes all types of slavery.
September 27 – 79 are killed and 550 are injured in the East St. Louis Tornado, the 2nd costliest and at least 24th deadliest tornado in U.S. history.
October – The Fifth Solvay Conference, held in the latter half of the month, establishes the acceptance of the Copenhagen interpretation.
October 4 – The actual carving begins at Mount Rushmore, South Dakota.
October 6 – The Jazz Singer opens in the United States and it becomes a huge success, although silent films continue to be made for some time.
October 8 – Murderers' Row: The New York Yankees complete a four-game sweep of the Pittsburgh Pirates in the World Series.
October 9 – The Mexican government crushes a rebellion in Veracruz.
October 18 – The first flight of Pan American Airways takes off from Key West, Florida, bound for Havana, Cuba.
October 25 – The Italian steamer ship Principessa Mafalda capsizes off Porto Seguro, Brazil. At least 314 people are killed.
Queen Wilhelmina of the Netherlands opens the Meuse-Waal Canal in Nijmegen, Holland
At 5:50 a.m. a ground fault gives way, causing the mine and part of the town of Worthington to collapse into a large chasm located in Ontario. Nobody is injured in the incident, as the area had been evacuated the night before after a mine foreman noticed abnormal rock shifts in the mine.
November 1 – İsmet İnönü forms a new government in Turkey (The 5th government).
November 3 – November 4 – Floods devastating Vermont cause the "worst natural disaster in the state's history".
November 4 – Frank Heath and his horse Gypsy Queen return to Washington, D.C., having completed a two-year journey of 11,356 miles to all 48 of the states (of that time).
Mahatma Gandhi makes his first and last visit to Ceylon.
Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin with undisputed control of the Soviet Union.
The Holland Tunnel opens to traffic as the first vehicular tunnel under the Hudson River linking New Jersey with New York City.
November 14 – The Pittsburgh gasometer explosion: Three Equitable Gas storage tanks in the North Side of Pittsburgh explode, killing 26 people and causing damage estimated between $4.0 million and $5.0 million.
November 21 – The Colorado state police open fire on 500 rowdy but unarmed miners during a strike, killing six of them.
December – The Communist Party Congress condemns all deviation from the general party line in the USSR.
December 2 – Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.
December 14 – Iraq gains independence from the United Kingdom.
December 15 – Marion Parker, 12, is kidnapped in Los Angeles. Her dismembered body is found on December 19, prompting the largest manhunt to date on the West Coast for her killer, William Edward Hickman, who is arrested on December 22 in Oregon.
December 17 – The United States Navy submarine S-4 is accidentally rammed and sunk by the United States Coast Guard cutter John Paulding off Provincetown, Massachusetts, killing everyone aboard despite several unsuccessful attempts to raise the submarine.
December 19 –3 Indian Revolutionaries, viz Pandit Ram Prasad Bismil, Thakur Roshan Singh, and Ashfaqulla Khan, are executed by the British Raj. Rajendra Nath Lahiri had been executed two days before.
December 27 – Kern and Hammerstein's musical play, Show Boat, based on Edna Ferber's novel, opens on Broadway and then goes on to become the first great classic of the American musical theater.
December 30 – The first Japanese commuter metro line, the Tokyo Metro Ginza Line, opens.
The British Broadcasting Corporation is granted a Royal Charter of Incorporation.
Harold Stephen Black invents the feedback amplifier.
The Voluntary Committee of Lawyers is founded to bring about the Repeal of Prohibition in the United States.
World population reaches two billion.
In Britain, 1,000 people a week die from an influenza epidemic.
Vernon L. Smith, American economist, Nobel Prize laureate
Doak Walker, American football player (d. 1998)
Aito Mäkinen, Finnish film director, screenwriter and film producer (d. 2017)
Barbara Rush, American actress
January 5 – Satguru Sivaya Subramuniyaswami, American-born Hindu guru (d. 2001)
Gisele MacKenzie, Canadian-born singer (d. 2003)
Johnnie Ray, American singer (d. 1990)
Otto Stich, member of the Swiss Federal Council (d. 2012)
Brock Adams, American politician (d. 2004)
Sydney Brenner, South African biologist, Nobel Prize laureate
Thomas Anthony Dooley III, American physician and humanitarian (d. 1961)
Eartha Kitt, African-American actress and singer (d. 2008)
January 23 – Jack Quinlan, Chicago Cubs Radio Broadcaster (d. 1965)
January 24 – Lasse Pöysti, Finnish writer and playwright
Antônio Carlos Jobim, Brazilian composer (d. 1994)
Gregg Palmer, American actor (d. 2015)
January 26 – José Azcona del Hoyo, 26th President of Honduras (d. 2005)
Per Oscarsson, Swedish actor (d. 2010)
Hiroshi Teshigahara, Japanese director (d. 2001)
Edward Abbey, American environmentalist (d. 1989)
Don Morrow, American actor and announcer
Lewis Urry, Canadian inventor (d. 2004)
Olof Palme, Prime Minister of Sweden (d. 1986)
Bendapudi Venkata Satyanarayana, Indian dermatologist (d. 2005)
January 31 – José Fernandes Fafe, Portuguese diplomat and writer (d. 2017)
February 1 – Galway Kinnell, American poet (d. 2014)
Stan Getz, American musician (d. 1991)
Doris Sams, American female professional baseball player (d. 2012)
Val Doonican, Irish singer and entertainer (d. 2015)
Blas Ople, Filipino politician (d. 2003)
Vasant Sarwate, Indian cartoonist and writer (d. 2016)
Juliette Gréco, French singer and actress
Vladimir Kuts, Russian runner (d. 1975)
February 10 – Leontyne Price, African-American soprano
February 11 – Nalda Bird, American female professional baseball player (d. 2004)
February 12 – Rita Meyer, American female professional baseball player (d. 1992)
Seizō Katō, Japanese voice actor (d. 2014)
Lois Maxwell, Canadian actress (d. 2007)
February 15 – Harvey Korman, American actor and comedian (d. 2008)
February 16 – June Brown, British actress
February 17 – John Selfridge, American mathematician (d. 2010)
Roy Cohn, American lawyer and anti-Communist (d. 1986)
Sidney Poitier, African-American actor and film director
Erma Bombeck, American writer and humorist (d. 1996)
Hubert de Givenchy, French fashion designer
Régine Crespin, French operatic soprano (d. 2007)
Ivan Hrušovský, Slovak composer (d. 2001)
Mirtha Legrand, Argentinian actress and TV presenter
Silvia Legrand, Argentinian actress
Mark Lane, American conspiracy theorist (d. 2016)
Emmanuelle Riva, French actress (d. 2017)
February 25 – Ralph Stanley, American bluegrass banjo player and vocalist (d. 2016)
February 26 – Tom Kennedy, American game show host
February 27 – Lynn Cartwright, American actress (d. 2004)
Harry Belafonte, African-American musician and actor
Robert Bork, American conservative law professor (d. 2012)
March 3 – Pierre Aubert, member of the Swiss Federal Council (d. 2016)
Philip Batt, 29th Governor of the U.S. state of Idaho
Thayer David, American actor (d. 1978)
Robert Orben, American magician
Dick Savitt, American tennis player
William J. Bell, American soap creator (d. 2005)
Gordon Cooper, American astronaut (d. 2004)
Gabriel García Márquez, Colombian author, Nobel Prize laureate (d. 2014)
March 8 – Dick Hyman, American composer and pianist
Jupp Derwall, German football player and manager (d. 2007)
Marlia Hardi, Indonesian actress (d. 1984)
Ron Todd, British trade union leader (d. 2005)
Joachim Fuchsberger, German-Australian actor, television host, lyricist and businessman (d. 2014)
March 12 – Raúl Ricardo Alfonsín, former President of Argentina (d. 2009)
March 13 – Robert Denning, American interior designer (d. 2005)
Annastasia Batikis, Greek-American female professional baseball player (d. 2016)
Hanns-Joachim Friedrichs, German journalist (d. 1995)
Vladimir Komarov, Russian cosmonaut (d. 1967)
Daniel Patrick Moynihan, U.S. Senator from New York (d. 2003)
March 17 – Roberto Suazo Córdova, President of Honduras
March 18 – George Plimpton, American writer and actor (d. 2003)
John Joubert, South African–born British composer
Earlene Risinger, American professional baseball player (d. 2008)
March 21 – Hans-Dietrich Genscher, German politician (d. 2016)
March 23 – Mato Damjanović, Croatian chess grandmaster (d. 2011)
March 24 – Martin Walser, German author
Bill Barilko, Canadian hockey player (d. 1951)
Monique van Vooren, Belgian-American actress
Mstislav Rostropovich, Russian cellist and conductor (d. 2007)
Barbara Marx Sinatra, American businesswoman and socialite
March 29 – John Robert Vane, British pharmacologist, Nobel Prize laureate (d. 2004)
César Chávez, American labor activist, United Farm Workers founder (d. 1993)
William Daniels, American actor
April 1 – Peter Cundall, Australian horticulturist and television presenter
Rita Gam, American actress (d. 2016)
Ferenc Puskás, Hungarian footballer (d. 2006)
Kenneth Tynan, English theatre critic (d. 1980)
April 3 – Éva Székely, Hungarian swimmer
April 5 – Chao-Li Chi, Shanxi-born actor (d. 2010)
April 6 – Gerry Mulligan, American musician (d. 1996)
April 8 – Tilly Armstrong (alias Tania Langley and Kate Alexander), British writer (d. 2010)
April 10 – Marshall Warren Nirenberg, American scientist, Nobel Prize laureate (d. 2010)
April 14 – Alan MacDiarmid, New Zealand chemist, Nobel Prize laureate (d. 2007)
April 15 – Robert Mills, American physicist (d. 1999)
Pope Benedict XVI
Peter Mark Richman, American actor
April 17 – Margot Honecker, East German politician (d. 2016)
Samuel P. Huntington, American political scientist (d. 2008)
Charles Pasqua, French businessman and politician (d. 2015)
Phil Hill, American race car driver (d. 2008)
Karl Alexander Müller, Swiss physicist, Nobel Prize laureate
Anita Darian, American singer and actress (d. 2015)
Harry Gallatin, American basketballer and coach (d. 2015)
April 27 – Coretta Scott King, African-American civil rights leader, wife of Dr. Martin Luther King Jr. (d. 2006)
April 29 – Lois Florreich, American female professional baseball player (d. 1991)
April 30 – Ellen Alaküla, Estonian actress (d. 2011)
May 5 – Pat Carroll (actress), American actress
May 9 – Manfred Eigen, German biophysicist, recipient of the Nobel Prize in Chemistry
May 9 – Wim Thoelke, German television entertainer (d. 1995)
Bernard Fox, English actor (Bewitched) (d. 2016)
Mort Sahl, Canadian-born comedian, political commentator
Gene Savoy, American author, explorer, scholar and cleric (d. 2009)
May 13 – Herbert Ross, American film director (d. 2001)
May 20 – Bud Grant, Canadian and American football coach
May 22 – George Andrew Olah, Hungarian-born chemist, Nobel Prize laureate
May 23 – Dieter Hildebrandt, German comedian (d. 2013)
May 25 – Robert Ludlum, American author (d. 2001)
May 26 – Endel Tulving, Estonian-Canadian experimental psychologist and cognitive neuroscientist
May 28 – Ralph Carmichael, American composer and arranger
Clint Walker, American actor
Elly Stone, American singer
June 3 – Boots Randolph, American saxophone player (d. 2007)
June 4 – Geoffrey Palmer (actor), British actor As Time Goes By (TV series)
June 8 – Jerry Stiller, American comedian and actor
June 10 – Ladislao Kubala, Hungarian football player and manager (d. 2002)
June 12 – Al Fairweather, Scottish jazz musician (d. 1993)
Yoshiro Hayashi, Japanese politician (d. 2017)
Ariano Suassuna, Brazilian playwright and author (d. 2014)
June 18 – Paul Eddington, British actor (d. 1995)
June 20 – Bernard Cahier, French F1 photo journalist (d. 2008)
Hugh Rossi, British Conservative politician
Don Jessop, Australian politician
Carl Stokes, American politician (d. 1996)
June 22 – Karl Schügerl, Hungarian chemical engineering studies
John Habgood, British retired Anglican bishop, academic, and life peer
Leonid Bogdanov, Soviet Olympic fencer
Bob Fosse, American choreographer and director (d. 1987)
Frederick Vreeland, American diplomat and writer
Martin Lewis Perl, American physicist, Nobel Prize laureate (d. 2014)
Arnold Wolfendale, British astronomer
Patricia Martin Bates, Canadian artist
Gerald Freedman, American theatre director, librettist, and lyricist, and a college dean
Kjell Tånnander, Swedish decathlete
Chuck Smith, American pastor (d. 2013)
Jerry Schatzberg, photographer and film director
Ben Turok, former anti-apartheid activist, Economics Professor and former South African member of parliament and a member of the African National Congress
Cino Tortorella, Italian television presenter
John Barber, American professional basketball player
Bob Keeshan, American actor and children's television show host (d. 2004)
Bobby Myers, American NASCAR driver (d. 1957)
Dick Lane, American professional baseball player
Frank Sherwood Rowland, American chemist, Nobel Prize laureate (d. 2012)
Pierre Savard, Canadian politician
Roy Radner, American economist
Bert Hubbard, American synchronized swimmer, choreographer and coach
Pat McGeer, Canadian physician, professor and medical researcher
Juan Vicente Mentesana, Argentine Speaker (d. 2014)
Kenneth Snelson, American contemporary sculptor and photographer (d. 2016)
June 30 – Shirley Fry Irvin, American tennis player
Winfield Dunn, Politician; Governor of Tennessee
Hariette Garellick, Swedish actress
Pierre Pranchère, French politician
Leo Klejn, Russian archaeologist, anthropologist and philologist
July 2 – James Mackay, Baron Mackay of Clashfern, British advocate
July 3 – Tim O'Connor, American actor
Gina Lollobrigida, Italian actress
Neil Simon, American playwright, screenwriter and author
Teresita Castillo, Filipino religious (d. 2016)
Derek Bond, English bishop
July 5 – Thomas Fleming, American military historian and historical novelist
Dolores Claman, Canadian composer and pianist
Alan Freeman, Australian-born broadcaster and disc jockey (d. 2006)
Janet Leigh, American actress (d. 2004)
Pat Paulsen, American comedian and political satirist (d. 1997)
Henri Dirickx, Belgian international footballer played
Doc Severinsen American musician Johnny Carson Show
Martin Ransohoff, American cinema and television producer, and member of the Ransohoff family
George C. Lodge, American professor and former politician
Lewis Arthur Tambs, American ambassador to Colombia and Costa Rica
Henry Kajura, Ugandan administrator and politician
Lisa Lu, Chinese-born American actress and singer
Cal Christensen, American basketball player (d. 2011)
Red Kelly, Canadian ice hockey player
Richard N. Gardner, United States Ambassador to Spain and the United States Ambassador to Italy
Ronnie Stonham, Special Assistant to the Director of Personnel at the BBC (d. 2014)
David Diop, French West African poet (d. 1960)
Jansen José Moreira, Brazilian former footballer
Grigory Barenblatt, Russian mathematician
Jack Kelley, American ice hockey coach
David Dinkins, African-American Mayor of New York City from 1989 through 1993
William Smithers, American actor
Léonce Deprez, French politician
Marcel Azzola, French accordionist
Chris Leonard, English footballer
Herbert Blomstedt, conductor laureate of the San Francisco Symphony
Tom Benson, American footballer
Frank Windsor, English actor
Muhammad Iqbal, Pakistani hammer thrower
July 13 – Simone Veil, French lawyer and politician
Ray Hannigan, Canadian professional ice hockey right winger
Henri Skiba, French football player
Eero Lohi, Finnish modern pentathlete
Carmen Zapata, American actress (d. 2014)
Håkon Brusveen, Norwegian cross-country skier
Joe Turkel, American actor
Caerwyn Roderick, British Labour Party politician (d. 2011)
Ted Slevin, English professional rugby league footballer
Shirley Hughes, English author and illustrator
Derek Hawksworth, English footballer
Serge Baudo, French conductor
Jules Witcover, American journalist, author, and columnist
José Walter Cavalcante, Brazilian politician and former Mayor of Fortaleza
John Warr, English cricketer (d. 2016)
Isa Rodrigues, Brazilian actress
Ed Leede, American former professional basketball player
Roy Stuart, American actor (d. 2005)
Keith MacDonald, Canadian politician
Robert E. Haebel, American major general
Antonio García-Trevijano, Spanish republican, political activist, and author
Kurt Masur, German conductor (d. 2015)
Jack Harshman, American professional baseball pitcher (d. 2013)
Don Bagley, American jazz bassist (d. 2012)
Alma Carlisle, African American architect and architectural historian
Tom Blake, American football player
Hervé Pinoteau, French historian and royalist apologist
Billy Gardner, American former professional baseball player, coach and manager
Michael Gielen, Austrian conductor and composer
Heather Chasen, English actress
Lyudmila Alexeyeva, Russian historian
July 21 – Dick Smith, former Major League Baseball infielder
July 26 – Danny La Rue, Irish drag queen (d. 2009)
July 28 -- John Ashbery, Poet
Richard Johnson, American actor (d. 2015)
Victor Wong, American actor (d. 2001)
August 4 – Jess Thomas, American tenor (d. 1993)
Edwin W. Edwards, American politician
Carl Switzer, American actor (d. 1959)
August 8 – Johnny Temple, American baseball player (d. 1994)
August 9 – Marvin Minsky, American computer scientist, Turing Award winner (Artificial intelligence) (d. 2016)
August 11 – Stuart Rosenberg, American director (d. 2007)
August 12 – Porter Wagoner, American country singer (d. 2007)
August 14 – Roger Carel (Bancharel), French actor
August 18 – Rosalynn Carter, First Lady of the United States
August 19 – L. Q. Jones, American actor
August 20 – Peter Oakley, also known as geriatric1927, British vlogger (d. 2014)
August 23 – Dick Bruna, Dutch artist, graphic designer (d. 2017)
August 25 – Althea Gibson, African-American tennis player (d. 2003)
August 26 – Ma Jir Bo, Chinese Realism oil painter (d. 1985)
August 27 – Fouad al-Tikerly, prominent Iraqi novelist and writer (d. 2008)
Geoffrey Beene, American fashion designer (d. 2004)
Bill Daily, American comedian and dramatic actor
September 3 – Br. John Hamman S.M. (d. 2000), close-up magician, inventor, Marianist brother (d. 2000)
September 7 – Eric Hill, English author and illustrator (d. 2014)
September 10 – Johnny Keating, Scottish musician and songwriter (d. 2015)
Vernon Corea, Sri Lankan broadcaster (d. 2002)
G. David Schine, American businessman (d. 1996)
September 13 – Laura Cardoso, Brazilian actress
Peter Falk, American actor (d. 2011)
Jack Kelly, American actor (d. 1992)
Sadako Ogata, Japanese diplomat, former United Nations High Commissioner for Refugees
Rosemary Harris, American actress
Nick Massi, Former Bassist for 'The Four Seasons' (d. 2000)
Owen Aspinall, 45th Governor of American Samoa (d. 1997)
Joan Hotchkis, American actress, writer and performance artist
Gordon Astall, English footballer
Tommy Lasorda, American baseball manager (Los Angeles Dodgers)
September 24 – Arthur Malet, English actor (d. 2013)
September 25 – Sir Colin Davis, English conductor (d. 2013)
September 27 – Steve Stavro, Canadian businessman and sports team owner (d. 2006)
Cid Moreira, Brazilian journalist and TV presenter
Adhemar Ferreira da Silva, Brazilian athlete (d. 2001)
September 30 – W. S. Merwin, American poet
October 1 – Tom Bosley, American actor (d. 2010)
October 6 – Antony Grey, English gay rights activist (d. 2010)
October 8 – César Milstein, Argentine scientist; received the Nobel Prize in Physiology or Medicine (d. 2002)
October 10 – Dana Elcar, American actor and director (d. 2005)
October 11 – Princess Joséphine Charlotte of Belgium, Grand Duchess of Luxembourg (d. 2005)
October 13 – Lee Konitz, American jazz composer and alto saxophonist
October 14 – Roger Moore, English actor
October 16 – Günter Grass, German writer, Nobel Prize laureate (d. 2015)
October 18 – George C. Scott, American actor (d. 1999)
October 19 – Pierre Alechinsky, Belgian painter
October 23 – Leszek Kołakowski, Polish philosopher (d. 2009)
October 24 – Cal Hogue, American baseball player (d. 2005)
October 25 – Jorge Batlle, President of Uruguay (d. 2016)
October 28 – Roza Makagonova, Russian actress (d. 1995)
November 2 – Steve Ditko, American comic-book writer and artist
Peggy McCay, American actress
Odvar Nordli, Norwegian politician and 10th Prime Minister of Norway
November 4 – Bobby Breen, Canadian-born American actor and singer (d. 2016)
November 5 – Kenneth Waller, English actor (d. 2000)
November 7 – Hiroshi Yamauchi, Japanese businessman and president of Nintendo (d. 2013)
Ken Dodd, English comedian
Patti Page, American singer (d. 2013)
November 10 – Sabah, Lebanese singer and actress (d. 2014)
November 14 – McLean Stevenson, American actor (d. 1996)
Gregor Mackenzie, British politician (d. 1992)
Bill Rowling, 30th Prime Minister of New Zealand (d. 1995)
Fenella Fielding, English actress
Nicholas Taylor, Geologist, businessman and politician and former Canadian Senator
November 18 – Hank Ballard, American musician (d. 2003)
November 21 – Georgia Frontiere, co-owner of the Los Angeles/St. Louis Rams (d. 2008)
November 23 – Guy Davenport, American author, artist, and scholar (d. 2005)
Ahmadou Kourouma, Ivorian writer (d. 2003)
Alfredo Kraus, Spanish tenor (d. 1999)
Abdul Halim of Kedah, Yang di-Pertuan Agong of Malaysia
Chuck Mitchell, American actor (d. 1992)
November 29 – Vin Scully, American baseball broadcaster
November 30 – Robert Guillaume, American actor
December 2 – Prabhakar Thokal, Indian cartoonist (d. 1999)
December 3 – Andy Williams, American singer (d. 2012)
Bhumibol Adulyadej, King Rama IX of Thailand (d. 2016)
W. D. Amaradeva, Sri Lanka maestro (d. 2016)
Óscar Míguez, Uruguayan football player (d. 2006)
Erich Probst, Austrian football player (d. 1988)
December 7 – Helen Watts, Welsh contralto (d. 2009)
December 8 – Vladimir Shatalov, Russian cosmonaut
December 9 – Pierre Henry, French composer
December 11 – Stein Eriksen, Norwegian Olympic skiier (d. 2015)
December 12 – Robert Noyce, Intel cofounder (d. 1990)
December 13 – James Wright, American poet (d. 1980)
December 17 – Richard Long, American actor (d. 1974)
December 18 – Roméo LeBlanc, 25th Governor General of Canada (d. 2009)
Charlie Callas, American comedian and singer (d. 2011)
Kim Young-sam, South Korean politician, 7th President of the Republic of Korea (d. 2015)
December 24 – Mary Higgins Clark, American novelist
Nellie Fox, American baseball player (d. 1975)
Ram Narayan, Indian sarangi player
Akihiko Hirata, Japanese actor (d. 1984)
Alan King, American comedian (d. 2004)
Denis Quilley, British actor (d. 2003)
December 27 – Genevieve Audrey Wagner, American professional baseball player and Doctor of Medicine (d. 1984)
December 29 – Andy Stanfield, American athlete (d. 1985)
December 30 – Jan Kubíček, Czech constructivist painter and sculptor (d. 2013)
January 9 – Houston Stewart Chamberlain, English-German author (b. 1855)
January 19 – Empress Carlota of Mexico (b. 1840)
January 21 – Charles Warren, British police officer and archeologist (b. 1840)
February 4 – Janko Vukotić, Montenegrin general (b. 1866)
February 13 – Brooks Adams, American historian (b. 1848)
February 16 – Carl Theodore Vogelgesang, American admiral (b. 1869)
Fernand de Langle de Cary, French general (b. 1849)
Robert Fuchs, Austrian composer (b. 1847)
Georg Brandes, Danish critic and scholar (b. 1842)
Austin M. Knight, American admiral (b. 1854)
Hermann Obrist, German sculptor (b. 1862)
Ira Remsen, American chemist, discoverer of saccharin (b. 1846)
Max Théon, Polish Jewish occultist (b. 1848)
March 11 – Xenophon Stratigos, Greek general (b. 1869)
March 14 – Jānis Čakste, Latvian politician, first president of Latvian Republic (b. 1859)
March 17 – Charles Emmett Mack, American actor (b. 1900)
March 22 – Templin Potts, American naval officer; 11th Naval Governor of Guam (b. 1855)
March 23 – Paul César Helleu, French artist (b. 1859)
March 25 – Marie-Alphonsine Danil Ghattas, Palestinian Catholic nun, canonized (b. 1843)
March 27 – Joe Start, American baseball player (b. 1842)
April 15 – Gaston Leroux, French journalist and author (b. 1868)
April 20 – Enrique Simonet, Spanish painter (b. 1866)
April 25 – Earle Williams, American actor (b. 1880)
May 2 – Ernest Starling, English physiologist (b. 1866)
May 3 – Ernest Ball, American singer and songwriter (b. 1878)
May 8 – Charles Nungesser, French aviator and World War I fighter ace (date of disappearance) (b. 1892)
May 11 – Juan Gris, Spanish sculptor and painter (b. 1887)
May 25 – Henri Hubert, French archaeologist and sociologist (b. 1872)
Lizzie Borden, American accused murderer; acquitted of killing her father and stepmother (b. 1860)
J. B. Bury, Irish historian (b. 1861)
Hannibal di Francia, Italian priest and saint (b. 1851)
June 4 – Robert McKim, American actor (b. 1886)
June 9 – Victoria Woodhull, American feminist and spiritualist (b. 1838)
June 11 – William Attewell, English cricketer (b. 1861)
June 14 – Jerome K. Jerome, English writer (b. 1859)
Marcelino Crisologo, Filipino politician, playwright, writer and poet (b. 1844)
Albrecht Kossel, German physician, recipient of the Nobel Prize in Physiology or Medicine (b. 1853)
July 8 – Max Hoffmann, German general (b. 1869)
July 9 – John Drew, Jr., American stage actor (b. 1853)
July 20 – King Ferdinand of Romania (b. 1865)
July 24 – Ryūnosuke Akutagawa, Japanese poet and writer (b. 1892)
July 26 – June Mathis, American screenwriter (b. 1889)
August 7 – Leonard Wood, American general (b. 1860)
August 13 – James Oliver Curwood, American novelist and conservationist (b. 1878)
August 17 – Johannes Theodor Baargeld, German painter and poet (b. 1892)
Nicola Sacco, Italian anarchist (b. 1891)
Bartolomeo Vanzetti, Italian anarchist (b. 1888)
August 24 – Manuel Díaz Rodríguez, Venezuelan writer (b. 1871)
September 1 – Amelia Bingham, American stage actress (b. 1869)
Marcus Loew, American theatre chain founder (b. 1870)
Wayne Wheeler, American temperance movement leader (b. 1868)
Hugo Ball, German poet, founder of Dadaism (b. 1886)
Isadora Duncan, British-based American dancer (b. 1877)
September 19 – Michael Ancher, Danish painter (b. 1849)
September 29 – Willem Einthoven, Dutch inventor, recipient of the Nobel Prize in Physiology or Medicine (b. 1860)
September 30 – Charles Kilpatrick (cyclist), American one-legged trick cyclist (b. 1869)
October 2 – Svante Arrhenius, Swedish chemist, Nobel Prize laureate (b. 1859)
October 5 – Sam Warner, Hollywood studio executive (b. 1887)
October 10 – Gustave Whitehead, German-born aviation pioneer (b. 1874)
October 16 – David Macpherson, Canadian-born American civil engineer (b. 1854)
Borisav "Bora" Stanković, Serbian writer (b. 1876)
Ross Youngs, American baseball player and MLB Hall of Famer (b. 1897)
October 27 – Joseph "Squizzy" Taylor, Australian underworld figure (b. 1888)
November 1 – Florence Mills, American cabaret singer (b. 1896)
Hawthorne C. Gray, record-setting American balloonist (b. 1889)
Valli Valli, actress (b. 1882)
November 11 – Wilhelm Johannsen, Danish botanist, physiologist and geneticist (b. 1857)
November 18 – Emma Carus, American opera contralto, (b. 1879)
November 23 – Alfred III, Prince of Windisch-Grätz, former Prime Minister of Austria (b. 1851)
Hubert Harrison, African-American writer, critic, and activist (b. 1883)
Rajendra Nath Lahiri, Indian Revolutionary, Hindustan Republican Association (b. 1901)
December 18 – Pandit Ram Prasad Bismil, Indian Revolutionary, Hindustan Republican Association (b. 1897)
Ashfaqulla Khan, Indian Revolutionary, Hindustan Republican Association (b. 1900)
Thakur Roshan Singh, Indian Revolutionary, Hindustan Republican Association (b. 1892)
Physics – Arthur Holly Compton, Charles Thomson Rees Wilson
Chemistry – Heinrich Otto Wieland
Physiology or Medicine – Julius Wagner-Jauregg
Literature – Henri Bergson
Peace – Ferdinand Buisson, Ludwig Quidde
1927 (MCMXXVII) was a common year starting on Saturday (dominical letter B) of the Gregorian calendar, the 1927th year of the Common Era (CE) and Anno Domini (AD) designations, the 927th year of the 2nd millennium, the 27th year of the 20th century, and the 8th year of the 1920s decade.