September 4, 1781 — The city of Los Angeles, California, was founded by Spanish settlers.
September 4, 1888 — George Eastman received an important U.S. patent related to his photographic film technology, helping shape the future of Kodak photography.
September 4, 1957 — The Little Rock Central High School integration crisis was taking place in Arkansas, becoming a major event in the American Civil Rights Movement.
September 4, 1998 — Google Inc. was officially incorporated in California by Larry Page and Sergey Brin.