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Nuclear Non-Proliferation Treaty is ratified
The Treaty on the Non-Proliferation of Nuclear Weapons entered into force on March 5, 1970, when the United States and the Soviet Union and 41 other countries submitted testimonies in Washington, London and Moscow.
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Nixon announces invasion of Cambodia
On the evening of April 30, 1970, President Nixon announced that the United States would attack the shelters of North Vietnam and the Viet Nam, which threatened allies on the Vietnam-Cambodia border.
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Nixon visits the People’s Republic of China.
On February 21, 1972, President Nixon arrived in Beijing, China, to hold a historic summit with Chinese leaders. Nixon’s one-week visit was so important that “Nixon’s trip to China” has become a metaphor for politicians’ unexpected actions. Nixon himself called it "the week of changing the world."
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SALT I is signed
On May 26, 1972, Gerald Ford (United States) and Leonid Brezhnev (Soviet Union) signed an agreement on the negotiation of strategic arms restrictions. The treaty limits both sides to two anti-ballistic missiles and 200 interceptor missiles.
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Vietnam Peace Agreement signed in Paris
Forty-five years ago, on January 27, 1973, the Paris Peace Agreement effectively liberated the United States from the conflict in Vietnam. The truce took effect on the second day.
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