1. In 1862, Congress passed bill ending slavery in Washington, DC.
2. In 1895, C. J. Dorticus received Patent for Machine for embossing photographs
3. In 1963, Dr. Martin Luther King Jr. was jailed in Birmingham, Alabama, While incarcerated there, he wrote his “Letter from Birmingham Jail,” a moving justification for the moral necessity of non-violent resistance to unjust laws.
4. In 1968, Rufus Stokes patented an Exhaust Purifier. He filed for the patent 3,378,241 two years earlier.
5. In 1973, Leila Smith Foley became the first African-American woman to be elected Major of a U.S. city, Taft, Oklahoma. She held the position for 13 years.