Oliver H. Perry sent his famous message, "We have met the enemy, and they are ours," after defeating the British in the Battle of Lake Erie in the War of 1812.
Elias Howe of Massachusetts received a patent for his sewing machine.
Canada declared war on Germany, entering WWII.
Twenty black students entered public schools in Birmingham, Mobile, and Tuskegee, Alabama, after President John F. Kennedy sent National Guardsman to end the standoff with Alabama Governor George Wallace.
Steffi Graf achieved tennis' first Grand Slam since Margaret Court in 1970 by winning the U.S. Open women's final.
Switzerland became the 190th member of the United Nations.