Battle of the Ancre 5 April

World War I (1914-1918)

BATTLES

A world war is a war involving many or most of the world's most powerful and populous countries. World War I (WWI or WW1), also known as the First World War, or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. More than 70 million military personnel, including 60 million Europeans, were mobilized in one of the largest wars in history.

• Battles of 1914
• Battles of 1915
• Battles of 1916
• Battles of 1917
• Battles of 1918

World Wars

The two major international conflicts that occurred during the twentieth century.

• First World War (1914-1918)
• Second World War (1939-1945)