February 14 - Vicksburg Bridge over the Mississippi River, United States.
April 4 - The World Trade Center in New York City, New York.
May 10 - General Belgrano Bridge, over the Paraná River, Argentina.
July 19 - National Stadium, Singapore.
September - Kenyatta International Conference Centre in Nairobi, Kenya, designed by Karl Henrik Nøstvik.
October 20 - Sydney Opera House in Sydney, Australia, designed by Jørn Utzon.
The Aon Center in Chicago, Illinois, United States, originally known as the Standard Oil Building.
Sears Tower in Chicago, Illinois, United States, designed by Skidmore, Owings & Merrill, becomes the tallest building in the world
May - Sears Tower, Chicago, designed by Skidmore, Owings & Merrill.
September 4 - First Wisconsin Center in Milwaukee, Wisconsin.
Alpha Tower, Birmingham, England, designed by George Marsh of Richard Seifert & Partners.
The Carlton Centre in Johannesburg, South Africa, becomes the tallest building in South Africa and in Africa (1973–present).
Großgaststätte Ahornblatt, Berlin, Germany (demolished in 2000).
Harvard Science Center at Harvard University, Boston, Massachusetts, designed by Josep Lluís Sert.
IDS Center in Minneapolis, Minnesota.
Boyana Residence, Sofia (later National Historical Museum (Bulgaria)), designed by Alexander Barov.
Kiev TV Tower in Kiev, Ukraine.
Mala Rijeka Viaduct, Podgorica, Montenegro.
Tour Montparnasse in Paris, France, designed by Eugène Beaudouin, Urbain Cassan and Louis Hoym de Marien.
Zagreb TV Tower in Zagreb, Croatia..
Tower 2 of the Meritus Mandarin Singapore in Singapore.
Cromwell Tower in London, England.
Le Pyramide market in Abidjan, Ivory Coast, designed by Rinaldo Olivieri.
Vladimir Somov designs the Fyodor Dostoyevsky Theater of Dramatic Art for Veliky Novgorod.
American Academy of Arts and Letters Gold Medal – Louis Kahn
Alvar Aalto Medal – Hakon Ahlberg
Architecture Firm Award - Shepley Bulfinch Richardson and Abbott
Prix de l'Académie d'Architecture de France - Kenzo Tange
RAIA Gold Medal - Jørn Utzon
RIBA Royal Gold Medal - Leslie Martin
AIA Twenty-five Year Award - Taliesin West
January 24 - Eero Endjärv, Estonian architect
date unknown - Zahava Elenberg, Australian architect
January 22 - Stanisław Staszewski, Polish architect and poet (born 1925)
June 14 - Clifford Percy Evans, American architect (born 1889)
June 27 - Odd Nansen, Norwegian architect, author, and humanitarian (born 1901)
December 8 - Paul Bartholomew, American architect (born 1883)
1973 in architecture Wikipedia
The year 1973 in architecture involved some significant architectural events and new buildings.