July 1950 - The United States pledges $15 million worth of military aid to France to help them fight in Vietnam.
July 1, 1965 - Viet Cong stage a mortar attack against Da Nang air base and destroy three aircraft.
July 8, 1965 - Henry Cabot Lodge is reappointed as U.S. ambassador to South Vietnam.
July 21-28, 1965 - President Johnson meets with top aides to decide the future course of action in Vietnam.
July 6, 1966 - Hanoi Radio reports that captured American pilots have been paraded though the streets of Hanoi through jeering crowds
July 1967 - General Westmoreland requests an additional 200,000 reinforcements on top of the 475,000 soldiers already scheduled to be sent to Vietnam, which would bring the U.S. total in Vietnam to 675,000. President Johnson agrees only to an extra 45,000.
July 29, 1967 - A fire resulting from a punctured fuel tank kills 134 U.S. crewmen aboard the USS Forrestal in the Gulf of Tonkin, in the worst naval accident since World War II.
July 1968 - General William Westmoreland, who had been in charge of the U.S. troops in Vietnam, is replaced by General Creighton Abrams.
July 3, 1968 - Three American prisoners of war are released by Hanoi.
July 1969 - President Nixon orders the first of many U.S. troop withdrawals from Vietnam
July 2, 1976 - Vietnam is unified as a communist country, the Socialist Republic of Vietnam.