Here’s a look at some interesting events that took place on this day in history:

1779 – John Paul Jones declares “I have not yet begun to fight!” (More info)

1846 – German astronomer Johann Gottfried Galle discovers the planet Neptune at the Berlin Observatory (More info)

1952 – Vice presidential candidate Richard Nixon delivers his “Checkers speech” that rebuts charges of improper campaign financing (More info)

1969 – The Chicago Eight trial opens in Chicago (More info)

1988 – After hitting 40 home runs and stealing 40 bases in a single season, José Canseco of the Oakland Athletics becomes the first member of the elite 40-40 club (More info)