A political map of Europe, as of 1914.

Outbreak of World War I

World War I

Influenza Epidemic Strikes

Austria Annexes Bosnia and Herzegovina

Kingdom of the Serbs, Croats, and Slovenes Declares Independence

Balkan Wars

Birth of Czechoslovakia

Battle of Jutland

Ireland Is Granted Home Rule and Northern Ireland Is Created

Cyprus Becomes a British Crown Colony

Finland Gains Independence

First Battle of the Marne

Treaty of Versailles

Maginot Line Is Built

Hitler Comes to Power in Germany

Greece Invades Bulgaria

Italy Annexes Libya

Italy Invades and Annexes Albania