10. Ma’alot massacre
This incident took place on May 15, 1973 in Israel. It was a terrorist attack conducted by three armed Palestinian terrorists of the Democratic Front for the Liberation of Palestine, who entered Israel from Lebanon. They took more than 115 people as hostages for to two days and it all ended up in the deaths of over 25 hostages. They also killed a couple and their four-year-old son in an apartment in the town of Ma’a lot.