April 24 - officers and civilians loyal to deposed President Juan Bosch mutiny against the right-wing junta running the country, setting up a provisional government.
April 28 - Forces loyal to the deposed military-imposed government stage a countercoup, supported by U.S. troops sent by President Lyndon B. Johnson, "for the stated purpose of protecting U.S. citizens and preventing an alleged Communist takeover of the country", thus thwarting the possibility of "another Cuba".