Today is Tuesday, September 1, the 244th day of 2015. There are 121 days left in the year.

On this date:

In 1807, former Vice President Aaron Burr was found not guilty of treason. (Burr was then tried on a misdemeanor charge, but was again acquitted.)

In 1905, Alberta and Saskatchewan entered Confederation as the eighth and ninth provinces of Canada.

In 1923, the Japanese cities of Tokyo and Yokohama were devastated by an earthquake that claimed some 140,000 lives.

In 1939, World War II began as Nazi Germany invaded Poland.

In 1945, Americans received word of Japan’s formal surrender that ended World War II. (Because of the time difference, it was September 2 in Tokyo Bay, where the ceremony took place.)

In 1951, the United States, Australia and New Zealand signed a mutual defense pact, the ANZUS treaty.

In 1969, a coup in Libya brought Moammar Gadhafi to power.

In 1976, U.S. Rep. Wayne L. Hays, D-Ohio, resigned in the wake of a scandal in which he admitted having an affair with “secretary” Elizabeth Ray.

In 1983, 269 people were killed when a Korean Air Lines Boeing 747 was shot down by a Soviet jet fighter after the airliner entered Soviet airspace.