События
June 28, 1914
Assassination of Archduke Franz FerdinandJuly 28, 1914
Austria-Hungary declared war on SerbiaAugust 3, 1914
Germany declared war on RussiaAugust 4, 1914
Germany declared war on FranceAugust 8, 1914
Great Britain declared war on GermanyAugust 13, 1914
Japan declared war of GermanySeptember 6-12, 1914
First Battle of MarneOctober 29, 1914
Ottoman Empire joined the warMay 7, 1915
Lusitania was torpedoed and sunkMay 23, 1915
Italy joined the warAugust 27, 1916
Romania declared war on Austria-HungaryJanuary 19, 1917
Zimmerman Telegram was interceptedApril 6, 1917
The United States formally declared war on GermanyMarch 3, 1918
Treaty of Brest-LitovskMay 28, 1918
Battle of CantignyAugust 8, 1918
Start of Battle of AmiensNovember 11, 1918
Armistice of CompiegneJune 28, 1919
Treaty of Versailles
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