Both world wars had Germany on one side and Britain, France, the United States, Russia, and China on the other. Differences include the fact that the Russia of World War I was the imperial Russian Empire while the Russia of World War II was the communist Soviet Union. Countries that changed sides include Turkey (for Germany in World War I, neutral in World War II), the Austro-Hungarian Empire (for Germany in World War I, no longer existed by the time of World War II), Italy (against Germany in World War I, for Germany in World War II), and Japan (against Germany in World War I, for Germany in World War II).
Germany was in WW I and WW II.
Germany invaded France during World War II.
no
Nazi Germany was in World War II, not world War I.The Nazi party did not exist in any form in World War I, and Germany was under the control of the Emperor Kaiser Wilhelm II
Which war???? Franco-Prussian, World War I, World War II . . . ?
When World War II began, Japan sided with Germany and Italy.
World War 1.
After world war II
World War II, during the holocaust.
In World War II, Germany was run by Adolf Hitler.
If this question is in reference to World War II, most countries declared war on Germany because Germany declared war on them.