Keep scrolling down for answers and more stats ...
1.
Russia pulled out of the war
3.
Austria-Hungary fought against Italy
4.
The Bismarck was in use by the Kriegsmarine
5.
Queen Elizabeth worked as a mechanic
7.
Bombs were dropped on Hiroshima and Nagasaki
8.
Referred to as "The war to end all wars"
10.
Switzerland was invaded
11.
Germany adopted a strategy called "blitzkrieg"
14.
Pickelhaubes were used by Germany