World War I By CSweeney23 Jun 28, 1914 Assassination of Archduke Franz Ferdinand https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago Jul 30, 1914 Russia Mobilizes https://www.shmoop.com/wwi/timeline.html Aug 30, 1914 Battle of Tannenberg https://www.britannica.com/event/Battle-of-Tannenberg-World-War-I-1914 Sep 6, 1914 Battle of Marne https://www.britannica.com/event/First-Battle-of-the-Marne Nov 5, 1914 United Kingdom and France .vs. Ottoman Empire https://www.familytreemagazine.com/premium/ww1-war-declarations-timeline/ Feb 19, 1915 Battle of Gallipoli https://www.smithsonianmag.com/history/new-view-battle-gallipoli-one-bloodiest-conflicts-world-war-i-180953975/ Apr 22, 1915 Germans Fire https://www.thelocal.de/20180918/firefighters-struggle-to-control-fire-sparked-by-army-missile May 7, 1915 Lusitania Sinks https://www.ducksters.com/history/world_war_i/sinking_of_the_lusitania.php May 23, 1915 Italy .vs. Austria-Hungary https://www.history.com/this-day-in-history/italy-declares-war-on-austria-hungary Mar 9, 1916 Germany .vs. Portugal https://en.wikipedia.org/wiki/Portugal_during_World_War_I#1916 Nov 18, 1916 Battle of Somme https://www.bbc.com/timelines/ztngxsg Jul 31, 1917 Battle of Passchendaele https://www.telegraph.co.uk/news/0/happened-battle-passchendaele/ Nov 11, 1918 Armistice Day https://www.theguardian.com/world/2018/nov/11/armistice-day-victory-and-beyond-first-world-war-neal-ascherson-essay Jun 28, 1919 Treaty of Versailles https://www.britannica.com/event/Treaty-of-Versailles-1919
