WWI

Events

Industrial Revolution

1750 - 1914

Congress of Vienna

1815

Nationalist Movements in Europe

1848 - 1914

Age of Imperialism

1870 - 1945

Austria-Hungary, Germany, Italy form Triple Alliance (aka Central Powers)

1882

Britain, France, Russia form Triple Entente (aka Allies)

1907

European powers increase military spending by 50%

1908 - 1913

Archduke Franz Ferdinand (Austria) assassinated

June 28, 1914

Austria-Hungary declares war on Serbia

July 28, 1914

Russia declares war on Austria-Hungary

July 29, 1914

Germany caught in a two-front war

September 1914 - March 1917

Italy switches to Allies' side

1915

Germany sinks Lusitania

May 7, 1915

Russian Revolution causes Russia to leave WWI

1917 - 1918

British intercept Zimmerman Telegram

February 19, 1917

United States (Allies) declares war on Germany

April 6, 1917

Balfour Declaration

November 1917

Treaty of Versailles signed

1919

League of Nations formed

January 1920