Martin Luther King Jr. was an American Baptist minister and activist born on this day in 1929.

Did you know that:

• The first top hat was worn by John Etherington in London on this day in 1797
• Elisha Otis was issued a patent for “improvement in hoisting apparatus” (a safety elevator) on this day in 1861
• Dove Cameron is an American actress and singer born on this day in 1996