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Triple Alliance
Under the provisions of this treaty, Germany and Austria-Hungary promised to assist Italy if she were attacked by France, and vice versa: Italy was bound to lend aid to Germany or Austria-Hungary if France declared war against either. -
Triple Entente is Formed
The Triple Entente, an informal coalition between Great Britain, France and Russia, now countered the Triple Alliance. Britain and France overlooked all major imperialistic conflict between them and formed the Entente Cordiale in 1904 -
Austria Hungary takes control of Bosnia
Though Bosnia and Herzegovina were still nominally under the control of the Ottoman Sultan in 1908, Austria-Hungary had administered the provinces since the Congress of Berlin in 1878, when the great powers of Europe awarded the Dual Monarchy the right to occupy the two provinces, with the legal title to remain with Turkey. As the provinces were coveted by many—in fact, both Austria and Hungary wanted Bosnia and Herzegovina for themselves—the decision was more or less a stopgap to preserve the d -
Archduke Franz Ferdinand is Assassinated
Assassinated in Sarajevo. Heir to Austria- Hungary. Sparked the begining of WW1 -
GErmany invades Belgium
Germany now controlled most of Belgium and some economically important parts of northern France.Britain was highly sensitive about Belgium. In the hands of an enemy, Belgian ports offered a major threat to the British naval supremacy and hence the security of the British Isles -
Austria Hungary declares war on Serbia
On July 29, Russia ordered a partial mobilization only against Austria-Hungary in support of Serbia, which escalated into a general mobilization. The Germans threatened war on July 31 if the Russians did not demobilize. -
German U-boat sinks the Lusitania
1,198 deaths and 128 were American. Germany threatened to renew unrestricted submarine warefare. -
Zimmerman Note Discovered
Mexico and Germany promised to give Arizona and New Mexico if Mexico helps Germany. Telegram from German foriegn minister to German ambassador in Mexico. -
US declares war on germany
resident Wilson appeared before a joint session of Congress and asked for a declaration of war against Germany in order to "make the world safe for democracy."Germany's renewal of unrestricted submarine warfare and the revelation of a proposed German plot to ally with Mexico against the US prompted Wilson's action.
