Bay of Pigs invasion, (April 17, 1961), abortive invasion of Cuba at the Bahía de Cochinos (Bay of Pigs), or Playa Girón (Girón Beach) to Cubans, on the southwestern coast by some 1,500 Cuban exiles opposed to Fidel Castro. The invasion was financed and directed by the U.S. government. Within six months of Castro’s overthrow of Fulgencio Batista’s dictatorship in Cuba (January 1959), relations between Castro’s government and the United States began to deteriorate. The...