Final answer:
The failed planned invasion of Cuba to overthrow Fidel Castro was called the Bay of Pigs Invasion.
Step-by-step explanation:
The failed planned invasion of Cuba to overthrow Fidel Castro that took place on April 17, 1961 was known as the Bay of Pigs Invasion. It was a covert operation planned by the Eisenhower administration and authorized by President Kennedy. The United States armed and equipped Cuban refugees, hoping to create a new Cuban government that would be more agreeable to US interests on the island.