[willthames]

1941 was not the start of WWII. It started in 1939.

[prof_hobart]

Not if you're Chinese, or Abyssinian.

The conflicts that became WWII started at different times in different places.

[GabrielF00]

Yes, but the question is how many years has the United States not been at war. The US did not enter WWII until 1941.