Today is the 268th day of the year with only 97 days remaining.
275 - In Rome, after the assassination of Aurelian, the Senate proclaims Marcus Claudius Tacitus Emperor.
151 - Spanish explorer, Vasco Nunez de Balboa, reaches what would become known as the Pacific Ocean.
1789 - The Congress passes the Bill of Rights, Congressional Compensation Amendment, and Congressional Apportionment Amendment.
1804 - The Teton Sioux, demand one of the boats from the Lewis and Clark Expedition, as a toll for moving further upriver.
1846 - U.S. forces led by Zachary Taylor capture the Mexican city of Monterrey.
1911 - Ground is broken for Fenway Park, in Boston, Masschusetts.
1929 - Jimmy Doolittle performs the first blind blight from Mitchel Field, proving that full instrument flying from take off to landing is possible.
1944 - Surviving elements of the British 1st Airborne Division withdraw from Arnhem in the Netherlands. This ends the Battle of Arnhem and Operation Market Garden.
1957 - Central High School in Little Rock, Arkansas is integrated by the use of U.S. Army troops.
1977 - About 4,200 people take part in the first running of the Chicago Marathon.
1981 - Sandra Day O'Connor becomes the 102nd person sworn in as an Associate Justice on the Supreme Court and the first woman to hold the office.
1992 - NASA launches a $511 million probe to Mars, in the first U.S. mission to the planet in 17 years. Eleven months later, the probe would fail.