1952    The maiden flight of the B-52 Stratofortress

1965    Vietnam War: The United States uses B-52 bombers to attack National Liberation Front guerrilla fighters in South Vietnam.

1966    A B-52 bomber collides with a KC-135 Stratotanker over Spain, dropping three 70-kiloton nuclear bombs near the town of Palomares and another one into the sea in the Palomares incident.

1972    Vietnam War: For the first time since November 1967, American B-52 bombers reportedly begin bombing North Vietnam.

1994    A United States Air Force B-52 aircraft crashes at Fairchild Air Force Base killing all four members of its crew.