not quite true
Jul 22, 1968 - Rome, Italy
The Popular Front for the Liberation of Palestine (PFLP) carries out first hijacking, diverting an El Al flight to Algiers. 32 Jewish passengers were held hostage for 5 weeks.
Oct 1968 - Hijacking of El Al aircraft en route to Algeria.
Dec 26, 1968 - Athens, Greece
1 killed and 1 wounded in a shooting attack on an El Al aircraft at the airport, carried out by the PFLP.
Several have been attacked on runways
Life is too short to drink bad beer.