Rome and Vienna airport attacks
1985 CE.
Shown on the map at 41.807°, 12.251°.
The Rome and Vienna airport attacks were two major terrorist attacks carried out on 27 December 1985. Seven Arab terrorists attacked two airports in Rome, Italy, and Vienna, Austria, with assault rifles and hand grenades. Nineteen civilians were killed and over a hundred were injured before four of the terrorists were killed by El Al Security personnel and local police, who captured the remaining three.
Text from the Wikipedia article 1985 Rome and Vienna airport attacks, licensed CC BY-SA 4.0.