Timeline of United States military operations communist attack on a U.S. installation in central Vietnam, the United States escalated its participation in the war to a peak of 543,000 military personnel by April 1969. 1961: Cuba: The Bay of Pigs Invasion, known in Hispanic America as Invasión de Bahía de Cochinos (or Invasión de Playa Girón or Batalla de Girón), was an unsuccessful military invasion of Cuba undertaken by the CIA-sponsored paramilitary group Brigade 2506 on April 17, 1961. 1962: Thailand: The Third Marine Expeditionary Unit landed on May 17, 1962 to support that country during the threat of Communist pressure from outside; by July 30,
Workers' Central Union of Cuba Workers' Central Union of Cuba The Workers Central Union of Cuba (CTC) is the trade union federation in Cuba. It originated as the "Confederación de Trabajadores de Cuba" (Confederation of Cuban Workers) in 1939 and changed its name to the Central Union of Cuban Workers in 1961. The CTC unites 19 sectoral unions, organised in more than 81,000 workplaces, with elected municipal, provincial and national committees for each union, with all Cuban workers belonging to this trade union federation. The CTC also has a weekly newspaper, "Trabajadores". In the 1930s, the Cuban labor movement declined after an unsuccessful general strike