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The first Earth Day celebration is held. Many people participate in anti-pollution demonstrations.
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Four students were killed and nine students were wounded by police because of the protest against the War "spreading" into Cambodia.
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Television advertisements for cigarettes are banned.
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The Senate approves a Constitutional Amendment to lower the voting age from 21 to 18.
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Walt Disney World opens in Orlando, Florida.
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The Watergate crisis begins when four men are arrested for breaking into the Democratic National Committee headquarters.
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In Roe vs. Wade, it is ruled that woman can not be prevented by a state if the pregnancy is in the first six months.
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Secretariat wins the Triple Crown by 31 lengths.
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President Richard M. Nixon is charged of a criminal conspiracy to obstruct justice in the Watergate affair.
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Nixon avoids the impeachment process by resigning and admitting his role in the Watergate affair.