Translation of historisch

The lack of political stability is not new to South America and I believe that the different views among them added up so much that conflicts are not avoidable anymore. Look for example what happened.
I even put on my Poncho, a plastic rain coat, in order to protect myself from the aircon-breeze. Somehow I managed to fall asleep and woke up at around six in the morning when we approach Palenque.
We considered staying a little longer in this region but the weather forecast foresaw heavy winds and lots of rain. We therefore decided to move on to our next destination which was the Peninsula Valdes.