1861 – US Postmaster General Blair announces end of postal connection with South.
1868 – US President Andrew Johnson avoids impeachment by 1 vote.
1896 – Dow Jones begins an index of 12 industrial stocks (closing is 40.94)
1924 – US President Calvin Coolidge signs law restricting immigration.
1925 – Tigers’ Ty Cobb is 1st to collect 1,000 extra-base hits (ends 1,139)
1930 – Supreme Court rules buying liquor does not violate the Constitution.
1938 – US House of Representatives Committee on un-American Activities forms.
1941 – American Flag House (Betsy Ross’ Home) given to city of Philadelphia.
1946 – Patent filed in US for H-Bomb.
1958 – A fire on board the aircraft carrier USS Bennington in Narragansett Bay, off Rhode Island, kills 103 crew.
1963 – 15th Emmy Awards: “The Dick Van Dyke Show”, E G Marshall & Shirley Booth win.
1967 – EMI releases “Sgt. Pepper’s Lonely Club Band” a few days early in the UK; it would go to number one for 15 weeks in the US and 22 weeks in the UK.
1972 – US President Richard Nixon and Soviet leader Leonid Brezhnev sign SALT accord.
1975 – “Rhinestone Cowboy” single released by Glen Campbell (Billboard Song of the Year 1975)
1978 – 1st legal gambling casino opens in Atlantic City.
1984 – US President Reagan rules out US military intervention in Iran-Iraq war.
1987 – US Supreme Court ruled dangerous defendants could be held without bail.
1998 – Date for Paula Jones sex harassment trial vs President Clinton.
2004 – The United States Army veteran Terry Nichols is found guilty of 161 state murder charges for helping carry out the Oklahoma City bombing.
2013 – Indianapolis 500: Tony Kanaan wins in 2:40:03.4181.