2026

1 International Observance to Celebrate on September 23, 2026

International observance days, weeks, and months for September 23, 2026. Plus historical events and birthdays.

2026
International Day Of Sign Languages

International Day Of Sign Languages

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.

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Born on September 23

People born on September 23

1795
AT

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.

1800
WH

William Holmes McGuffey

Author widely known for writing the of elementary school textbooks McGuffey Readers.

1838
VW

Victoria Woodhull

Journalist and activist who ran for President in the 1872 election.

1869
MM

Mary Mallon

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.

1920
MR

Mickey Rooney

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.

1926
AC

André Cassagnes

French toy maker who created the Etch A Sketch.

1926
JC

John Coltrane

Saxophonist and composer who is considered one of the most influential people in Jazz history.

1930
RC

Ray Charles

Considered one of the most influential musicians of all time.

1933
LJ

Lloyd J. Old

One of the founders of the field of Cancer Immunology.

1943
JI

Julio Iglesias

One of the most commercially successful Spanish singer in the world. He is considered one of the top record sellers in music history, having sold more than 300 million records worldwide in 14 languages.

1949
BS

Bruce Springsteen

Rock musician known as "The Boss." He has released 21 studio albums since the beginning of his career in 1972.

1959
JA

Jason Alexander

Actor, singer, and voice artist who is most recognizable for his character George Costanza in the sitcom Seinfeld.

Historical Events on September 23

Events that occurred on September 23 throughout history

1642

Harvard College holds their first graduation commencement.

Harvard College (Cambridge, Massachusetts) holds their first graduation commencement.

1845

The New York Knickerbockers becomes the first baseball team.

The NY Knickerbockers organizes and adopts a rulebook and becomes the first baseball team.

1846

The planet Neptune is discovered.

Astronomers Urbain Le Verrier, John Couch Adams, and Johann Gottfried Galle collaborate together on the discovery of Neptune.

1875

Billy the Kid is arrested for the first time.

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.

1884

Herman Hollerith patents his mechanical tabulating machine.

Herman Hollerith patents his mechanical tabulating machine. The machine tallied the 1890 U.S. Census in just a few months.

1891

Throop College is established in California.

Vocational and preparatory school Troop College is established in California. The College would become the prestigious California Institute of Technology, otherwise known as Caltech.

1897

The first Frontier Days Rodeo is celebrated in Cheyenne, Wyoming.

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."

1926

Gene Tunney beats heavyweight boxing champion Jack Dempsey by unanimous decision.

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.

1951

King George VI the United Kingdom has his left lung removed.

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.

1955

An all-white jury in Mississippi finds two men not guilty in the murder of Emmett Till.

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.

1957

President Eisenhower orders U.S. troops to support the integration at Little Rock.

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.

1962

The Jetsons premieres on television.

The futuristic cartoon The Jetsons premieres on television. The animation was the first television show in color for ABC.

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