Martin Luther King Jr. is shot to death by James Earl Ray at a hotel in Memphis, Tennessee. His assassination led to riots in more than 100 US cities and a call from the United States President Lyndon Johnson for citizen's to reject the blind violence that has taken Dr King who had lived by non-violence. James Earl Ray was convicted of his murder and sentenced to 99 years in prison.

Congress decided the U.S. flag would consist of 13 red and white stripes represent the original Thirteen Colonies that rebelled against the British crown and became the first states in the Union, and 20 stars, with a new star to be added for every new state. The act specified that new flag designs should become official on the first July 4th (Independence Day) following admission of one or more new states.