Here's an actual WW2-era, German joke that got wide circulation in about 1943-44:
Hitler, Himmler, Göring, and Göbbels were flying together to a Nazi rally in Nüremberg.
The plane crashed.
Who was saved?
Answer: The German people.
(If we're gonna hijack a thread, let's do it right!)
...Vell, I sink you need Berlitz or Rosetta Stone, und ja schnell!