World War 1

Archduke Ferdinand Assassination

Dec 18, 1863

(Assassination of Archduke Ferdinand)(https://www.biography.com/people/franz-ferdinand-9300680)

Germany declares war on Belgium

Aug 4, 1914

(germany declares war on Belgium)(https://www.thestar.com/news/world/ww1/2014/08/03/germany_declares_war_on_belgium_ww1_dispatches.html)

Japan declares war on Germany

Aug 23, 1914

(japan declares war on germany)(https://worldhistoryproject.org/1914/8/23/japan-declares-war-on-germany)

Christmas Truce

Dec 25, 1914

(Christmas truce)(http://time.com/3643889/christmas-truce-1914/)

Sinking of Lusitania

May 7, 1915

(sinking of Lusitania)(http://www.eyewitnesstohistory.com/snpwwi2.htm)

Italy declares war on Germany

Aug 28, 1915

(Italy declares war on germany)(http://today-in-wwi.tumblr.com/post/149620728526/italy-declares-war-on-germany)

Battle of Verdun

Dec 18, 1916

(battle of Verdun)(https://www.firstworldwar.com/battles/verdun.htm)

Zimmermann Telegram

Jan 16, 1917

(Zimmermann telegram)(https://www.archives.gov/education/lessons/zimmermann)

Battle of Arras

May 16, 1917

(battle of arras)(http://ww1centenary.oucs.ox.ac.uk/battle-of-arras/the-battle-of-arras-an-overview/)

Battle of Passchendaele

Nov 10, 1917

(battle of Passchendaele)(https://www.thoughtco.com/battle-of-passchendaele-third-ypres-2360465)

Battle of Cambrai

Dec 7, 1917

(battle of cambrai)(https://www.britannica.com/event/Battle-of-Cambrai-1917)

Hundred Days Offensive

Nov 11, 1918

(hundred days offensive)(https://schoolworkhelper.net/the-“hundred-days”-offensive-world-war-one/)

Armistice Day

Nov 11, 1918

(armistice day)(https://www.tenfactsabout.co.uk/0002armistice.htm)

Treaty of Versailles

Jan 21, 1920

(treaty of Versailles)(https://encyclopedia.ushmm.org/content/en/article/treaty-of-Versailles)