El Al Flight 253 attack
1968 CE.
Shown on the map at 37.898°, 23.729°.
The El Al Flight 253 attack was a terrorist attack against a Boeing 707 passenger plane by the Popular Front for the Liberation of Palestine (PFLP). The attack took place while the plane was on a layover in Athens en route from Tel Aviv, Israel, to New York City, United States in 1968.
Text from the Wikipedia article El Al Flight 253, licensed CC BY-SA 4.0.