ww1

assassination of archduke franz ferdinhand

Jun 28, 1914

archduke of austria hungary is killed.

austria hungary declares war

Jul 28, 1914

austria hungary declares war on serbia

germany invades belgium

Aug 4, 1914

germany invades belgium

battle of tannenburg

Period: Aug 17, 1914 to Sep 2, 1914

russian army defeated by germans

first battle of the marne

Period: Sep 5, 1914 to Sep 12, 1914

attempt to take paris failure led to 4 years of trench warfare

sinking of lusitania

May 7, 1915

british passenger ship was sunk off coast of ireland about 700 die, about 200 of which were americans

battle of verdun

Period: Feb 21, 1916 to Dec 18, 1916

battle between french and germans resulted in french victory

battle of jutland

Period: May 31, 1916 to Jun 1, 1916

german fleet fights british fleet, british maintain control of north sea

battle of the somme

Period: Jul 1, 1916 to Nov 18, 1916

german army withdraws 40 miles

america declares war

Apr 6, 1917

america declares war on germany

ussr withdraws

Mar 3, 1918

ussr withdraws from ww1

spring offensive

Period: Mar 21, 1918 to Jun 12, 1918

series of battles

ww1 ends

Nov 11, 1918

peace