Yale University
Yale Law School: Armistice With Italy, September 3, 1943
The source document of the Armistice signed with Italy during World War II.
BBC
Bbc History: Animated Map: The Italian Campaign
This animated map gives a good visual of the Italian Campaign which began in Sicily in 1943. Each map has a description of the action, a key is provided, and just the map animation can be replayed, or view the entire site again.