World War I: The war that changed the world map AA Images
The war began on July 28, 1914 and ended on November 11, 1918
40 countries took part in the european-based war.
7% of Europe's population and 1% of the world'd population died in the war.
The world map changed as a result of the war: 3 major European empires disappeared.
After the war, the wold saw the greatest economic depression in history.
During World War I, more than 20 major and minor battles were fought for many critical points and fronts.
