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arch duke franz ferdinand was assasinated while trying to check on hurt people after the bomb attack. -
Austria Hungary declares war on serbia, the start of ww1 because the assasination of arch duk franz ferdinand. -
austria hungary invaded russia -
germany invaded belgium -
this battle was the first ever battle with use of chlorine gas by germans. -
the germans submarine sinks the americans ships -
reacting to outrage at the sinking at the lusitania, germany stops unrestricted submarine warfare to keep us out of the war. -
longest battle of world war one leaving 305,000 soldiers dead -
58,000 troops killed on the first day of battle. -
the first war with tanks included. tankns succsesfully broke thtrough bobbed wire. -
germany sent a message to mexico if they entered war they would help invade the united states. president wilson fond out. -
the us enters ww1
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germany and russia sign peace treaty
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fighting on western fron stopped when armistice comes into efect at 11 am.
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peace agreement signed by germany and allies