Today is Wednesday, Aug. 1, the 213th day of 2018. There are 152 days left in the year.

On August 1, 1966, Charles Joseph Whitman, 25, went on an armed rampage at the University of Texas in Austin that killed 14 people, most of whom were shot by Whitman while he was perched in the clock tower of the main campus building. (Whitman, who had also slain his wife and mother hours earlier, was finally gunned down by police.)

In 1714, Britain's Queen Anne died at age 49; she was succeeded by George I.

In 1876, Colorado was admitted as the 38th state.

In 1907, the U.S. Army Signal Corps established an aeronautical division, the forerunner of the U.S. Air Force.

In 1911, Harriet Quimby became the first woman to receive a U.S. pilot's certificate from the Aero Club of America. (Quimby's accomplishments included being the first woman to fly across the English Channel; she was killed in an accident in July 1912 at age 37.)

In 1936, the Olympics opened in Berlin with a ceremony presided over by Adolf Hitler.

In 1944, an uprising broke out in Warsaw, Poland, against Nazi occupation; the revolt lasted two months before collapsing.

In 1957, the United States and Canada announced they had agreed to create the North American Air Defense Command.

In 1975, a 35-nation summit in Finland concluded with the signing of a declaration known as the Helsinki Accords dealing with European security, human rights and East-West contacts.

In 1981, the rock music video channel MTV made its debut.

In 1994, Michael Jackson and Lisa Marie Presley confirmed they'd been secretly married 11 weeks earlier. (Presley filed for divorce from Jackson in Jan. 1996, citing irreconcilable differences.)

In 2001, Pro Bowl tackle Korey Stringer, 27, died of heat stroke, a day after collapsing at the Minnesota Vikings' training camp on the hottest day of the year.

In 2007, the eight-lane Interstate 35W bridge, a major Minneapolis artery, collapsed into the Mississippi River during evening rush hour, killing 13 people.