Well even if 100% would know about that you can't change history knowing that fact.
And it's false. While you can't change what happened in the past, you can change history.
Well even if 100% would know about that you can't change history knowing that fact. There is an entire profession that is employed in the business of history.
If you want why certain things happen in the middle east, you should know about the holocaust and how Isreal came to be.
As long as people make decisions based on historical events, knowing those events helps you understand their decisions.
A good example would be Afganistan. Afgan people rather trust Germans to be there to help rebuild the country and not to be there to occupy Afganistan based on historical events where Germany acted differently in Afganistan than other nations.
Being the only first and only country that used atomic weapons also matters when you want to understand how other people react when you talk about using "tactial nukes" or when you talk about Iran.
The education system is seriously dumbed down. A U.S. 12th grade equates to almost the 8th or 9th grade in Germany. (I know, I've been through it coming here from Germany in 72')
Is there something like a U.S. 12th grade? Isn't there a huge diffrence between the average public school and a lot of private ones?