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  The House Judiciary Committee voted to impeach President Nixon because of his part in the Watergate Scandal. He later resigned, becoming the first president to ever do so.
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  Richard Nixon becomes the first president to ever resign from office.
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  The first cooperative U.S.–Soviet space mission began in Kazakhstan.
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  Americans celebrated the United States bicentennial.
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  The mass-suicide of 909 people. They were members of the religious cult, the "Peoples Temple", led by Jim Jones.
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  This was the mass-suicide of 909 American people. They were members of a religious cult called the "Peoples Temple", led by Jim Jones. This was the largest loss of American life in a single incident that was non-natural disaster related at the time.
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  This act was signed into law to create a permanent and systematic plan for refugees immigrating to America.
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  The Refugee Act was signed into law.
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  The U.S. embassy in Beirut was bombed by members of the Islamic Jihad Organization, killing 63 people.
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  The first Martin Luther King, Jr. Day is celebrated.
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  This act was signed into law to compensate Japanese Americans who "lost liberty or property because of discriminatory action by the Federal government during World War II."
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  The Hubble Space Telescope was launched.
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  The Don't ask, don't tell policy, prohibiting openly gay and bisexual people from serving in the military, was signed into law.
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  Gay college student Matthew Shepard was brutally murdered near the University of Wyoming.
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  Teenage students Eric Harris and Dylan Klebold murdered twelve other students and one teacher at Columbine High School in Littleton, Colorado.