Wikipedia sayings about world war ii began when nazi germany invaded which country?

1.Balkans campaign (World War II)

The Balkans campaign of World War II began with the Italian invasion of Greece on 28 October 1940. In the early months of 1941, Italy's offensive had stalled

https://en.wikipedia.org/wiki/Balkans campaign (World War II)

2.Allies of World War II

The Allies of World War II were a group of countries that together opposed the Axis powers during the Second World War (1939–1945). The Allies promoted

https://en.wikipedia.org/wiki/Allies of World War II