1517
Martin Luther posted the 95 Theses on the door of the Wittenberg Palace church, marking the start of the Protestant Reformation in Germany.
1864
Nevada became the 36th state.
1941
Work on the Mount Rushmore monument was completed.
1956
Rear Admiral G. J. Dufek became the first person to land an airplane at the South Pole.
1984
Indian prime minister Indira Gandhi was assassinated.
1992
Pope John Paul II admitted that the Roman Catholic Church had erred in convicting Galileo of heresy 350 years earlier.
https://www.infoplease.com/dayinhistory