Socialist Party is founded. The Party would eventually form the basis of the Communist Party.
Fidel Castro leads a Communist revolution. The rebel army overthrows President Fulgencio Batista.
United States breaks diplomatic relations with Havana. All U.S. businesses in Cuba are nationalized without compensation.
Spanish (and Portuguese): possibly from the Basque occupational name Arotxa, Arotza, from arotz (arotx) ‘smith’, ‘carpenter’ + the article suffix -a, or alternatively a topographic from a rocha ‘the rock’ (with the Portuguese or Galician article). This name is chiefly associated with the Canary Islands.