Joint Forces Continue Attack Into Cambodia

American and South Vietnamese forces continue the attack into Cambodia that began on April 29. This limited “incursion” into Cambodia (as it was described by Richard Nixon) included 13 major ground operations to clear North Vietnamese sanctuaries 20 miles inside the Cambodian border. Some 50,000 South Vietnamese soldiers and 30,000 U.S. troops were involved, making […]

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U.S.-South Vietnamese Forces Launch Cambodian “Incursion”

U.S. and South Vietnamese forces launch a limited “incursion” into Cambodia. The campaign included 13 major ground operations to clear North Vietnamese sanctuaries 20 miles inside the Cambodian border. Some 50,000 South Vietnamese soldiers and 30,000 U.S. troops were involved, making it the largest operation of the war since Operation Junction City in 1967. The […]

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Nixon Approves Cambodian Incursion

President Richard Nixon gives his formal authorization to commit U.S. combat troops, in cooperation with South Vietnamese units, against communist troop sanctuaries in Cambodia. Secretary of State William Rogers and Secretary of Defense Melvin Laird, who had continually argued for a downsizing of the U.S. effort in Vietnam, were excluded from the decision to use […]

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The First Earth Day

Earth Day, an event to increase public awareness of the world’s environmental problems, is celebrated in the United States for the first time. Millions of Americans, including students from thousands of colleges and universities, participated in rallies, marches, and educational programs. Earth Day was the brainchild of Senator Gaylord Nelson of Wisconsin, a staunch environmentalist […]

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Nixon Announces More Troop Withdrawals

In a televised speech, President Nixon pledges to withdraw 150,000 more U.S. troops over the next year “based entirely on the progress” of the Vietnamization program. His program, which had first been announced in June 1969, included three parts. First, the United States would step up its effort to improve the combat capability of the […]

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Apollo 13 Returns To Earth

With the world anxiously watching, Apollo 13, a U.S. lunar spacecraft that suffered a severe malfunction on its journey to the moon, safely returns to Earth. On April 11, the third manned lunar landing mission was launched from Cape Canaveral, Florida, carrying astronauts James A. Lovell, John L. Swigert, and Fred W. Haise. The mission […]

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Apollo 13 Oxygen Tank Explodes

On April 13, 1970, disaster strikes 200,000 miles from Earth when oxygen tank No. 2 blows up on Apollo 13, the third manned lunar landing mission. Astronauts James A. Lovell, John L. Swigert, and Fred W. Haise had left Earth two days before for the Fra Mauro highlands of the moon but were forced to […]

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Apollo 13 Launched To Moon

On April 11, 1970, Apollo 13, the third lunar landing mission, is successfully launched from Cape Canaveral, Florida, carrying astronauts James A. Lovell, John L. Swigert, and Fred W. Haise. The spacecraft’s destination was the Fra Mauro highlands of the moon, where the astronauts were to explore the Imbrium Basin and conduct geological experiments. After […]

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