622 – The prophet Muhammad completes his Hegira, or “flight” from Mecca to Medina to escape persecution. Muhammad then builds the followers of his Islam religion into an organized community and Arabian power.
1789 – The Judiciary Act is passed by Congress and signed by Pres. George Washington, establishing the Supreme Court of the United States. Washington appoints six justices and all are confirmed two days later.
1890 – The Church of Jesus Christ of Latter-day Saints officially renounces polygamy by issuing a manifesto asking all members to obey anti-polygamy laws of the nation.
1964 – The Warren Commission report is delivered to Pres. Lyndon Johnson concluding that Lee Harvey Oswald acted alone in the assassination of Pres. John F. Kennedy on Nov. 22, 1963.
