CIA assassination attempts on Fidel Castro
The United States' Central Intelligence Agency (CIA) made numerous unsuccessful attempts to assassinate Cuban leader Fidel Castro. There were also attempts on Castro's life by Cuban exiles, sometimes in cooperation with the CIA. The 1975 Church Committee claimed eight proven CIA assassination attempts between 1960 and 1965.
Source: Wikipedia — CIA assassination attempts on Fidel Castro (CC BY-SA 4.0)