Translation of schachern

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
I do not mean to claim that they ought forget their own history, but I assert that they should forgive, not to the culprits who made the rage (that would not be possible), but the next innocent generation.
We then went out to have a drink at a bar near the hotel. There were mostly foreigners at the bar. All in all, we had the impression that there were many Westerners living in the city which gave this mix.