Really?
What about the bus full of schoolchildren back in the 1970s? This war of terrorism began a LONG TIME before the author says.
You can keep going back down the generations and find atrocity after atrocity committed by the same gang.
How about the 1972 Munich Olympics? It all goes to the same point. When moslem’s feel aggrieved, they turn to terrorism.
Another lesson from the 1970s: The hard Left will gladly join moslem terror gangs.
Baader-Meinhoff, Carlos the Jackal, etc. In fact, Carlos converted to Islam.