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World War I

1914–1918 global conflict

26 dated entries naming World War I, drawn from 23 separate years between 1208 CE and 2021 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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13th century

  • 1208November 11 – Otto IV is elected by the German nobles as king of Germany at Frankfurt. He is engaged to Beatrice and travels to Milan where he receives the Iron Crown and the title of King of Italy, which continues until the end of World War I in 1918.source
  • 1278August 26 – Battle on the Marchfeld: German-Hungarian forces (some 9,000 men) led by Kings Rudolf I of Germany in alliance with Ladislaus IV of Hungary ("the Cuman"), defeat and kill Ottokar II, ruler of Bohemia. The battle ends the power struggle between Rudolf and Ottokar over the fate of Central Europe. Rudolf's House of Habsburg will continue to rule Austria and other captured territories until the end of World War I in 1918.source

15th century

  • 1422September 27 – The Teutonic Knights sign the Treaty of Melno with the Kingdom of Poland and Grand Duchy of Lithuania, after the brief Gollub War. The Prussian–Lithuanian border established by the treaty remains unchanged, until World War I.source

19th century

  • 1847December 17 – Michel-Joseph Maunoury, French general during World War I (d. 1923)source
  • 1854June 26 – Robert Borden, Canadian lawyer and politician, 8th Prime Minister of Canada, leader in World War I (d. 1937)source
  • 1883January 10 – Hubert Latham, pioneer French aviator of the pre-World War I era (d. 1912)source
  • 1887December 13 – Alvin York, American World War I hero (d. 1964)source

20th century

  • 1912February 29 – Serbia and Bulgaria secretly sign a treaty of alliance for a term of eight years, with each pledging to come to the defence of the other during war. The treaty would eventually be dishonored in World War I.source
  • 1914August 4 – World War I: German invasion of Belgium – At 08:02 (local time) Imperial German Army troops enter Belgium, bringing the July Crisis to a climax. At 23:00 (GMT) the British entry into World War I takes place when King George V in London declares war on Germany for this violation of Belgian neutrality (protected by the Treaty of London (1839)) and especially to defend France. This means a declaration of war by the whole British Empire against the German Empire. The United States declares neutrality.source
  • 1914December 24 – World War I: An unofficial and temporary Christmas truce begins between British and German soldiers on the Western Front.source
  • 1914June 28 – Assassination of Archduke Franz Ferdinand of Austria: Serbian nationalist Gavrilo Princip, 19, assassinates Archduke Franz Ferdinand of Austria and his wife, Duchess Sophie, in Sarajevo, Bosnia and Herzegovina, triggering the July Crisis overnight and eventually World War I. Anti-Serb riots in Sarajevo and Zagreb break out.source
  • 1914November 28 – World War I: Following a war-induced closure in July, the New York Stock Exchange re-opens for bond trading.source
  • 1916July 21 – Sergeant Stubby, World War I American hero war dog (d. 1926)source
  • 1919June 28 – The Treaty of Versailles is signed, formally ending World War I, five years to the day since the assassination of Archduke Franz Ferdinand. John Maynard Keynes, who has been present at the conference and is unhappy with the terms of the treaty, brings out his own analysis later in the year, entitled The Economic Consequences of the Peace.source
  • 1920November 28 – FIDAC (French: Fédération Interalliée des Anciens Combattants, English: The Interallied Federation of War Veterans Organisations) is established in Paris at the initiative of veterans from World War I, predominantly pacifists, joined by associations of veterans from France, the United Kingdom, United States, Belgium, Romania, Czechoslovakia, Italy and Serbia.source
  • 1926March 16 – Sergeant Stubby, World War I American hero war dog (b. 1916)source
  • 1929November 24 – Georges Clemenceau, Prime Minister of France, leader during World War I (b. 1841)source
  • 1931January 3 – Joseph Joffre, French World War I general (b. 1852)source
  • 1951July 23 – Marshal Philippe Pétain, former Prime Minister and Head of State of France, Chief of State of Vichy France during World War II, hero commander of World War I who led the French Army to victory at the nine-month-long Battle of Verdun, for which he was called "the Lion of Verdun", dies while serving a sentence of life-imprisonment on the island of Île-d'Yeu at 95 years old.source
  • 1953June 18 – René Fonck, French aviator, top Allied World War I Flying Ace (b. 1894)source
  • 1964September 2 – Alvin York, American hero of World War I (born 1887)source
  • 1973July 23 – Eddie Rickenbacker, American World War I flying ace and race car driver (b. 1890)source

21st century

  • 2010October 3 – Germany makes final reparation payment for World War I.source
  • 2014July 28 – 100-year anniversary of World War I's commencement (Austria-Hungary declares war on Serbia).source
  • 2020May 27 – COVID-19 pandemic: The U.S. death toll passes 100,000 – more Americans than were killed in the Vietnam War and Korean War combined, and approaching that of the First World War, where 116,000 Americans died in combat. The total number of cases continues to rise, although the rate is slowing.source
  • 2021April 24 – U.S. president Joe Biden becomes the first U.S. president to formally recognize the Ottoman killings of Armenians during World War I as genocide.source

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