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assassination of Franz ferdinand
As he and his wife rode through the city of bosnian capital of sarajevo, a bosnian revolutionary named gavrilo princip rushed their car open and shot the couple to death. -
Austria-hungary declasres war on serbia
when austria declared war on serbia, russia immediatly mobilized its army and stationed troops on the German border. -
Germany declares war on russia
Germany, an ally of Austria-Hungary, declares war on Russia and demands the neutrality of Russia's ally France; France refuses and mobilises. -
germany declares war on France
German troops poured into Belgium as directed under the Schleiffen Plan, drawn up in 1905. The British foreign secretary, Sir Edward Grey, sent an ultimatum to Germany demanding their withdrawal from the neutral Belgium. -
Germany invades Belgium
The German invasion plan for France called for an attack through Belgium, instead of through the heavily defended Franco-German border. Belgium was neutral and its neutrality was protected by treaty with Great Britain. The Germans attacked on August 3rd -
Great Britain declares war on Germany
Britain declared war on Germany in 1914 in response to the German invasion of Belgium. Belgium had been regarded as a neutral state under international law since 1839. -
austria-hngary declares war on Russia
Austria-Hungary gave several demands to Serbia and if they didnt accept, which they didnt, they would declare war, and so they did. So whe Austria-Hungary declared war on Serbia, Russia backed up Serbia. -
France and Great Britain declare war on Austria-hungary
On July 29, Austro-Hungarian forces began to shell the Serbian capital, Belgrade, and Russia, Serbia’s ally, ordered a troop mobilization against Austria-Hungary -
the lusitania is sunk
Approximately 14 miles off the coast of Southern Ireland at Old Head of Kinsale, neither the captain nor any of his crew realized that the German U-boat, U-20, had already spotted and targeted them. At 1:40 p.m., the U-boat launched a torpedo. The torpedo hit the starboard (right) side of the Lusitania. Almost immediately, another explosion rocked the ship. -
Zimmerman telegram
The United States published the telegram, making the public aware of it on March 1. The public opinion quickly became a definite pro-war. Congress officially declared war against Germany and its allies -
U.S. declares war on Germany
authorized and directed to employ the entire naval and military forces of the United States and the resources of the Government to carry on war against the Imperial German Government; and to bring the conflict to a successful termination all of the resources of the country are hereby pledged by the Congress of the United States
