This has changed in Germany, I was there twice in the past 3 years. They have very strict laws stopping any suppression of Nazi history and you can go to jail if you denounce the Holocaust "Nazi Grandma". Not like Poland who tried to erase history.Yes the teaching of history is very important and can be used in nefarious ways if we do not keep watch on it.
Back in the late 1990's we had a foreign exchange student from Germany come live with us. She was 16 at the start of the school year. She grew up in the far Eastern side of Germany, just across the Polish boarder. So this was at one time communist East Germany.
Now she was a smart girl. She could speak English, French, Russian, and of course German. Each was so fluent, that the high school she was in here asked her to help judge several language competitions. But when it came to history, she was not doing well. Her teacher gave us a call and we learned that what she believed was quite different than what was boing taught here.
She knew nothing of Nazis, concentration camps, or much of anything about WW2. Long story short, she did not want to believe anything that was being taught about that in our school. But she gradually became curious and picked a topic for a semester report that caused her to go to the Museum in downtown Houston, by herself, and view the Holocaust displays. She said it made her cry and she just could not understand how none of that was even mentioned in her school's history class.
Five fluent languages is pretty common for most there with their trade borders of different languages. English is taught/considered as the International Business language.