Havana Presidential Palace attack (1957)

The 1957 Havana Presidential Palace attack was a failed assassination attempt on the life of President Fulgencio Batista at the Presidential Palace in Havana, Cuba. The attack began at around 3:30 pm on March 13, 1957, carried out by Menelao Mora, a group of members of the Partido Auténtico, and the student opposition group Directorio Revolucionario 13 de Marzo, but was unsuccessful in its goal of killing Batista.

Source: Wikipedia — Havana Presidential Palace attack (1957) (CC BY-SA 4.0)