In 1915, Italy secretly signed the Pact of London with Britain, France and Russia which would put them on the side of the allies in World War I.

CNN: Saturday,

At the end of World War I the victorious Allies thought they had dealt decisively with German military power.

FORBES: Fact and Comment

In 1919, the end of World War I was marked by the signing of the Treaty of Versailles between Germany and the allies.

CNN: Sunday,