|Covid-19|January – France declares war on Spain, leading to the 2-year War of the Quadruple Alliance.
May – English pirate Blackbeard leads 400 sailors in four ships to blockade the port of Charleston, South Carolina. The Queen Anne's Revenge and Adventure are both lost at Beaufort Inlet, North Carolina, a week later. Blackbeard allows Stede Bonnet to command the Revenge (which is renamed the Royal James) once again. Bonnet rescues 25 sailors abandoned by Blackbeard on a sandbar and continues his life of piracy.
May 7 – New Orleans, is founded.
June – Blackbeard and Bonnet take refuge in Bath, North Carolina, where Governor Charles Eden pardons them and their crew.
July 21 – The Treaty of Passarowitz is signed.
August 11 – Battle of Cape Passaro: a Spanish fleet is defeated by the British Royal Navy under Admiral George Byng off Capo Passero, Sicily, a prelude to the War of the Quadruple Alliance.
September – The Dzungar Khanate destroys a Qing army at the Battle of the Salween River.
October – Stede Bonnet and his crew are captured near the mouth of the Cape Fear River and taken to Charleston, South Carolina, where they are tried for piracy. All but four are found guilty and sentenced to death.
October 24 – Stede Bonnet escapes from prison.
November 8 – 22 of Stede Bonnet's pirate crew are hanged at Charleston.
November 11 – Lightning strikes the powder magazine at the Old Fortress, Corfu, causing a major catastrophe on the island.
November 18 – Voltaire's first play, Oedipus, premières at the Comédie-Française in Paris. This is his first use of the pseudonym.
November 22 – Citing violations of the amnesty agreement with Blackbeard, Virginia Governor Alexander Spotswood sends a Royal Navy contingent to North Carolina, where they battle Blackbeard and his crew in Ocracoke Inlet. Blackbeard is killed in action after receiving five musketball wounds and twenty sword lacerations.
December 5 – Following the death of Charles XII on November 30, his sister Ulrika Eleonora proclaims herself Queen regnant of Sweden, as the news of her brother's death reaches Stockholm.
December 10 – Stede Bonnet is hanged at Charleston after being recaptured.
December 17 – The Holy Roman Empire, Kingdom of Great Britain and Dutch Republic join the Kingdom of France in formally declaring war on Spain, launching the War of the Quadruple Alliance.
Islamization of Sudan: The Funj warrior aristocracy deposes the reigning mek and places one of their own ranks on the throne of Sennar.
The white potato reaches New England from England.
According to Coffee: A Dark History had been growing in the Dutch colony of Surinam since this year.
January 7 – Israel Putnam, American Revolutionary War general (d. 1790)
January 29 – Paul Rabaut, French Huguenot pastor (d. 1794)
February 17 – Matthew Tilghman, American delegate to the Continental Congress (d. 1790)
March 31 – Infanta Mariana Victoria of Spain, queen regent of Portugal (d. 1781)
April 4 – Benjamin Kennicott, English churchman and Hebrew scholar (d. 1783)
April 7 – Hugh Blair, Scottish preacher and man of letters (d. 1800)
April 20 – David Brainerd, American missionary (d. 1747)
April 24 – Nathaniel Hone, Irish-born painter (d. 1784)
April 26 – Esek Hopkins, American Revolutionary War admiral (d. 1802)
April 27 – Thomas Lewis, Irish-born Virginia settler (d. 1790)
May 16 – Maria Gaetana Agnesi, Italian mathematician (d. 1799)
May 17 – Robert Darcy, 4th Earl of Holderness, English diplomat and politician (d. 1778)
May 23 – William Hunter, Scottish anatomist (d. 1783)
May 30 – Wills Hill, 1st Marquess of Downshire, English politician (d. 1793)
May 31 – Jacob Christian Schäffer, German inventor, botanist and professor (d. 1790)
June 5 – Thomas Chippendale, English furniture maker (d. 1779)
June 17 – George Howard, British field marshal (d. 1796)
July 5 – Francis Seymour-Conway, 1st Marquess of Hertford, Viceroy of Ireland (d. 1794)
July 18 – Saverio Bettinelli, Italian writer (d. 1808)
July 31 – John Canton, English physicist (d. 1772)
August 11 – Frederick Haldimand, Swiss-born British colonial governor (d. 1791)
September 18 – Nikita Ivanovich Panin, Russian statesman (d. 1783)
October 19 – Victor-François, 2nd duc de Broglie, Marshal of France (d. 1804)
October 28 – Ignacije Szentmartony, Croatian Jesuit missionary and geographer (d. 1793)
November 3 – John Montagu, 4th Earl of Sandwich, English statesman (d. 1792)
November 28 – Hedvig Charlotta Nordenflycht, Swedish writer (d. 1763)
date unknown – István Hatvani, Hungarian mathematician (d. 1786)
Salomée Halpir, Lithuanian oculist.
January 6 – Giovanni Vincenzo Gravina, Italian writer and jurist (b. 1664)
January 6 – Richard Hoare, English goldsmith and banker (b. 1648)
January 17 – Captain Benjamin Church, Plymouth Colony settler and military officer (b. c. 1639)
February 1 – Charles Talbot, 1st Duke of Shrewsbury, English politician (b. 1660)
February 18 – Pierre Antoine Motteux, French-born English dramatist (b. 1663)
May 7 – Mary of Modena, queen of James II of England (b. 1658)
May 30 – Arnold Joost van Keppel, 1st Earl of Albemarle, Dutch favorite of William III of England (b. 1670)
July 28 – Étienne Baluze, French scholar (b. 1630)
July 30 – William Penn, American settler, founder of Pennsylvania (b. 1644)
November 22 – Blackbeard, English pirate (b. c. 1680)
November 30 – King Charles XII of Sweden (b. 1682)
December 6 – Nicholas Rowe, English poet and dramatist (b. 1674)
December 9 – Vincenzo Coronelli, Italian cartographer and encyclopedist (b. 1650)
December 10 – Stede Bonnet, the "gentleman pirate"
date unknown – Black Caesar, African pirate
date unknown – Marie Grubbe, Danish countess (b. 1643)
1718 (MDCCXVIII) was a common year starting on Saturday (dominical letter B) of the Gregorian calendar and a common year starting on Wednesday (dominical letter E) of the Julian calendar, the 1718th year of the Common Era (CE) and Anno Domini (AD) designations, the 718th year of the 2nd millennium, the 18th year of the 18th century, and the 9th year of the 1710s decade. As of the start of 1718, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.