1984 US embassy bombing in Beirut
On September 20, 1984, the Shi'a Islamic militant group Hezbollah, with support and direction from the Islamic Republic of Iran, carried out a suicide car bombing targeting the US embassy annex in East Beirut, Lebanon during the Lebanese Civil War. The attack killed 23 people and 1 attacker.
Source: Wikipedia — 1984 US embassy bombing in Beirut (CC BY-SA 4.0)