My favourite is
"Were you in the German High Command between 1936 and 1945?"
( Flapjack I spay a little mare for you, Thu 7 Jul 2005, 12:07, archived)

"Ja voll, mein fuehrer!
Er, I mean, no! Of course not!"
( Mr. Tea 'ulmmm'/'mmneurgh', Thu 7 Jul 2005, 12:10, archived)