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Period: to
WW1
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Assassination of the archduke of Ferdinand in Austria
the archduke of Ferdinand was assassinated by a Serbian member of the black hand. it was not only the archduke, but also his wife Sophie. After the assassination, it set off chain events with Austria declaring war on Serbia. -
Germany declares war on Russia
after Austria-Hungary declares war on Serbia. Russia seeing this as a threat, attacks and declares war on Austria-Hungary. Germany, Austria-Hungary's ally declares war on Russia. -
battle of Tannenberg
The battle of Tannenberg. It was fought between Russia and Germany during the fist month of ww1. Germany won the battle. -
sinking of lusitiana
Germany waged sub warfare against the british to prevent them from winning. U.S. pressures them to not attack great britian. Germany decides to limit subs to prevent antagoinizing and causing war. -
Sinking of the Lusitania
Traveling across the roads were dangerous for when the U.K. would transport materials across to support Russia. Germany's U-boats attacked the Lusitania to prevent the allies from winning. America attempted to declare war on Germany. -
tanks come into ww1
Tanks were made by the british to combat Germany and the central powers. These heavy armored machines crawled over terrain and fired explosives. they were successful despite the costs to make them -
Germany limits submarines
Germany attacks the United states boats to prevent attack on German U-boats. President Wilson pressured Germany to limit German submarines to prevent any attacks on other boats. Germany fearful of antagonizing the Americans, agrees to limit submarines angering many naval leaders -
battle of verdun
the battle of Verdun was a battle in ww1 that was fought between Germany and france. it is one of the longest battles lasting from febuary 21 to December 18 in 1916. the French won the battle. -
Germany resumes unrestricted submarine warfare
Germany decides to resume unrestricted submarine warfare. They started to sink the United states boats. in response, they declare war on Germany. -
ww1 ends
after the united states enter ww1, they helped the allies win ww1. the germans sign the treaty of Versailles to end ww1. this however begins the roaring 20s
