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The United States of America celebrated Earth Day as a National Holiday for the first time in 1970.
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The National Guard was ordered to contain protestors at Kent State University. Shots rang and 4 were killed.
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Ling Ling and Hsing Hsing were given to the US as part of "Panda Diplomacy" from China
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A 6.2 magnitude earthquake hit near the capital Managua and killed 10,000.
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After many years of war, the US signs treaty with North Vietnam and the Vietcong. This leads to the fall of free South VIetnam.
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The siege of Wounded Knee began when Native American took over in protest. Federal agencies were called in and the siege was ended. 3 were killed.
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Starting in October 1973, gas prices began to soar due to an oil crisis.
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Syria and Egypt attack Israel on the most sacred Jewish holiday, Yom Kippur.
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Due to the Watergate Scandal, Nixon had a choice to make allow the US Congress to impeach him or resign.
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Ford pardons Nixon for criminal charges. This causes uproar in the country.
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The 39th president of the United States, Jimmy Carter, is inaugurated.
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The United States celebrates 200 years of freedom after the Declaration of Independence.
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A movie from 1977 starring John Travolta inspired the disco fashion of the brief era.
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The US Supreme Court rules that racial quotas are unconstitutional.
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Three Mile Island had a reactor malfunction due to human error. The area was evacuated and the nuclear industry suffered,
