January 1, 1959 - After the Cuban Revolution, Fidel Castro assumes power.
December 19, 1960 - Cuba openly aligns itself with the Soviet Union and their policies.
January 3, 1961 - The United States terminates diplomatic and consular relations with Cuba.
April 12, 1961 - President Kennedy pledges the United States will NOT intervene militarily to overthrow Castro.
April 17, 1961 - June 3-4, 1961 - Backed by the United States, a group of Cuban exiles invades Cuba at the Bay of Pigs in an attempt to trigger an anti- Castro rebellion. The invasion falls and more than a thousand Cuban rebels are captured by Castro forces.
June 3-4, 1961 - Khrushchev and Kennedy summit in Vienna.
July 27, 1962 - Castro announces that Cuba is taking measures that would make any direct US attack on Cuba the equivalent of a world war. He claims that the USSR has invested greatly in helping defend his country.
August 10, 1962 - CIA director John McCone sends a memo to Kennedy expressing his belief that Soviet medium-range ballistic missiles (MRBM) will be deployed in Cuba.
August 31, 1962 - Senator Kenneth Keating tells the Senate that there is evidence of Soviet missile installations in Cuba. Keating urges Kennedy to take action.
September 11, 1962 - In a speech to the UN, Soviet Foreign Minister Andrei Gromyko warns that an American attack on Cuba could mean war with the Soviet Union.
October 9, 1962 - Kennedy orders a U-2 reconnaissance flight over western Cuba, delayed by bad weather until the 14th.
October 10, 1962 - Senator Keating charges that six intermediate-range ballistic missile bases are being constructed in Cuba.
October 14, 1962 - A U-2 flying over western Cuba discovers missile sites. Photographs obtained by this flight provide hard evidence that Soviets have missiles in Cuba.
October 15, 1962 - A readout team at the National Photographic Intelligence Center reviews photos taken during the...