The "Take Me to Havana!" airline hijackings of 1968 to 1972

The event
The "Take Me to Havana!" Airline Hijackings, were a major issue in U.S.–Cuba Relations in the late 1960s and early 1970s.

The incidents were attributed to terrorism, extortion, flight for political asylum, mental illness and (mostly forcible) transportation between the two countries.

https://en.wikipedia.org/wiki/List_of_Cuba–United_States_aircraft_hijackings