1916 – Mary Pickford becomes the first female film star to sign a million-dollar contract.
1947 – Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington.
1948 – Soviet forces blockaded the western zones of Berlin.
1957 – The Supreme Court rules obscenity is not protected by the First Amendment.
2009 – South Carolina Gov. Mark Sanford admitted to having an extramarital affair with a woman in Argentina.
