Alexander Twilight
The first African American to graduate with a BA degree from a university or college in America. He graduated from Middlebury College in Vermont in 1823. He was also the first African American to hold public office.
International observance days, weeks, and months for September 23, 2026. Plus historical events and birthdays.

September 23, 2026 celebrates International Day Of Sign Languages. International Day of Sign Languages on September 23rd recognizes the importance of language through signing. According to the UN, early access to sign language is vital to the growth and development of deaf individuals. The day takes place during International Deaf Week in the last week of September.
Read the full story →People born on September 23
The first African American to graduate with a BA degree from a university or college in America. He graduated from Middlebury College in Vermont in 1823. He was also the first African American to hold public office.
Author widely known for writing the of elementary school textbooks McGuffey Readers.
Journalist and activist who ran for President in the 1872 election.
Cook and typhoid carrier known as "Typhoid Mary." She is believed to have infected at least 57 people and the first person in the U.S. to be identified as an asymptomatic carrier.
Critically acclaimed actor whose career lasted over nine decades, appearing in over 300 films during his career. At the time of his death, he was one of the last living silent film actors.
Events that occurred on September 23 throughout history
Harvard College (Cambridge, Massachusetts) holds their first graduation commencement.
The NY Knickerbockers organizes and adopts a rulebook and becomes the first baseball team.
Astronomers Urbain Le Verrier, John Couch Adams, and Johann Gottfried Galle collaborate together on the discovery of Neptune.
Billy the Kid is arrested for the first time in Silver City, New Mexico. He is put in jail for receiving stolen clothing from a Chinese laundry.
Herman Hollerith patents his mechanical tabulating machine. The machine tallied the 1890 U.S. Census in just a few months.
Vocational and preparatory school Troop College is established in California. The College would become the prestigious California Institute of Technology, otherwise known as Caltech.
The first Frontier Days Rodeo is celebrated in Cheyenne, Wyoming. The one day celebration in 1897 is not a 10-day summer festival referred to as the "Daddy of 'em All."
Gene Tunney beats heavyweight boxing champion Jack Dempsey by 10-round unanimous decision in the "Upset of the Decade." Fought at Philadelphia, Pennsylvania's Sesquicentennial Stadium, the match drew a record 120,557 spectators.
King George VI the United Kingdom has his left lung removed after a malignant tumor was found. The operation was performed at Buckingham Palace to keep the diagnosis from the public.
An all-white jury in Mississippi finds Roy Bryant and J. W. Milam not guilty in the torture-murder of the 14-year-old Emmett Till. Openly aware of double jeopardy, the two men later confessed to the death in a magazine interview.
President Dwight D. Eisenhower orders U.S. troops to Little Rock Central High School in Arkansas to support the integration of nine Black students after President Eisenhower took control of the National Guard after Arkansas Governor Orval Faubus ordered them to block the student's entrance.
The futuristic cartoon The Jetsons premieres on television. The animation was the first television show in color for ABC.