In 1512, Michelangelo finished painting the ceiling of the Sistine Chapel at the Vatican.
1765: The Stamp Act went into effect, prompting stiff resistance from American colonists.
1870: The U.S. Weather Bureau made its first meteorological observations.
1968: The Motion Picture Association of America unveiled its new voluntary film rating system.
2012: Singer-songwriter Blake Shelton won entertainer, male vocalist and song of the year honors, the latter shared with wife Miranda, at the 46th Country Music Association Awards.