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  Senator Gaylord Nelson felt that everyone needed to take care of earth, so he started Earth Day to demonstrate for environmental protection.
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  Ohio National Guard invades Kent State University and kills 4 students who supported the Cambodian Campaign.
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  When a break-in occurs at the Democratic National Committee headquarters, five men (who were believed to be connected with Rihard Nixon) are arrested and President Nixon resigned to avoid impeachment.
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  The 1972 Summer Olympics were held in Munich, West Germany, but were overlooked because of the Munich Massacre on September 5, 1972.
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  Operation Homecoming was a negotiation that allowed 591 American prisoners of war to be released from North Vietnam.
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  To avoid being impeached due to the Watergate scandal and conspiracy, Richard Nixon resigns from office; he is the only president to resign.
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  Sarah Jane Moore attempted to shoot President Ford in San Fransisco 17 days after Lynnette Fromme's assassination attempt.
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  "Roots" was a television series, airing from January 23-30, 1977, based on Alex Haley's "Roots: The Saga of an American Family" about a young African who is enslaved and sent to the US.
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  "Star Wars" is an epic sapce opera film, written and directed by George Lucas, that earned $775 million due to its popularity and awesomeness.
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  Elvis Presley was found dead, due to (supposedly) cardiac arrhythmia, in his bathroom at Graceland in Memphis, Tennessee.
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  Pope John Paul II, born Karol Józef Wojtyla, made history by becoming the first non-Italian pope in 400+ years.
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  In Dauphin County, Pennsylvania, a nuclear accident occured in one of the two nuclear reactors that was rated a five on a seven-point International Nuclear Event Scale.
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  In 1979, Margaret Thatcher made history when she became the first female Prime Minister of the United Kingdom.
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  For 444 days, sixty-six Americans were held hostage in Iran after a group of Iranian students took over Tehran's US Embassy.