It is the 271st day of the year, with only 94 days remaining until the new year.
1708 - Peter the Great defeats the Swedes at the Battle of Lesnaya.
1781 - American forces backed by a French fleet begin the siege of Yorktown, Virginia during the American Revolution.
1787 - The newly completed United States Constitution is voted on by the U.S. Congress and sent to the state legislatures for their approval.
1928 - Sir Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
1939 - Warsaw surrenders to Nazi Germany during World War II.
1944 - Soviet Army troops liberate Klooga concentration camp in Estonia.
1951 - CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
1994 - The car ferry MS Estonia sinks in the Baltic Sea, killing 852 people.