October 10, 2026 – Historical Events & Birthdays
October 10 marks important milestones in Arizona history, American institutions, science, sports and the arts—from Arizona’s constitutional convention to the opening of the original U.S. Naval School and memorable moments in baseball and boxing.
🌍 Politics & World History
1910 – Arizona’s Constitutional Convention convenes
Arizona’s constitutional convention opened in Phoenix at noon, with George W. P. Hunt elected president. Delegates included representatives from Gila and Graham counties as they drafted the document that preceded Arizona statehood in 1912.
1767 – Mason-Dixon boundary survey completed
Surveyors Charles Mason and Jeremiah Dixon completed the boundary line between Pennsylvania and Maryland. The survey also helped define boundaries later associated with Delaware and West Virginia.
1845 – U.S. Naval School opens at Annapolis
Fifty midshipmen and seven faculty members began the first term of the U.S. Naval School at Fort Severn in Annapolis. The institution was renamed the United States Naval Academy in 1850.
1971 – London Bridge reopens in Lake Havasu City
The dismantled 19th-century London Bridge was reconstructed and formally reopened in Lake Havasu City after being relocated from England, creating one of Arizona’s most recognizable landmarks.
1973 – Vice President Spiro Agnew resigns
Agnew resigned after pleading no contest to a federal tax-evasion charge. His departure created the first vacancy in the vice presidency under the new framework of the Twenty-Fifth Amendment.
🔬 Science & Technology
1846 – Triton is discovered
Astronomer William Lassell discovered Triton, Neptune’s largest moon, while observing the planet from England.
1967 – Outer Space Treaty enters into force
The United Nations’ Outer Space Treaty took effect, establishing principles for peaceful exploration and prohibiting national appropriation of celestial bodies.
1990 – Space Shuttle Discovery lands after Ulysses deployment
NASA’s STS-41 mission concluded when Discovery landed at Edwards Air Force Base after deploying the Ulysses spacecraft, designed to study the Sun’s polar regions.
2019 – NASA’s ICON spacecraft launches
NASA’s Ionospheric Connection Explorer launched from Cape Canaveral aboard a Pegasus XL. The mission studies the ionosphere and its effects on communications and space weather.
🎭 Culture & the Arts
1935 – Porgy and Bess premieres on Broadway
George Gershwin’s landmark American opera opened at New York’s Alvin Theatre after a Boston tryout. It became one of the most consequential works in the American operatic tradition.
1975 – The Rocky Horror Picture Show opens in the United States
The cult musical film directed by Jim Sharman and starring Tim Curry, Susan Sarandon and Barry Bostwick began its U.S. theatrical run on October 10, 1975.
1985 – Orson Welles dies
Orson Welles, the influential American actor, director, writer and producer best known for Citizen Kane and his pioneering radio and film work, died at age 70.
⚽ Sports
1924 – Washington Senators win their first World Series
Washington defeated the New York Giants, 4–3, in Game 7 at Griffith Stadium. It remains the franchise’s only World Series championship.
1926 – Cardinals win their first World Series
St. Louis defeated the New York Yankees, 3–2, in Game 7. Grover Cleveland Alexander famously recorded the final outs in relief.
1968 – Tigers defeat Cardinals in World Series Game 7
Detroit pitcher Mickey Lolich, working on two days’ rest, outdueled Bob Gibson, 4–1, to give the Tigers their first championship in 23 years.
1975 – Muhammad Ali defeats Joe Frazier in the “Thrilla in Manila”
Ali stopped Frazier after 14 grueling rounds in the Philippines, retaining the world heavyweight championship in one of boxing’s defining bouts.
🎂 Notable Birthdays – October 10
1900 – Helen Hayes
The American actress, known as the “First Lady of American Theatre,” won two Academy Awards and numerous Tony Awards.
1917 – Thelonious Monk
The American jazz pianist and composer became one of the central innovators of modern jazz.
1930 – Harold Pinter
The British playwright and screenwriter received the 2005 Nobel Prize in Literature for his influential dramatic works.
1954 – David Lee Roth
The American singer became the flamboyant frontman of Van Halen, one of the most commercially important hard-rock bands.
1957 – Rumiko Takahashi
The Japanese manga artist created internationally successful series including Urusei Yatsura, Ranma ½ and Inuyasha.
1969 – Brett Favre
The American quarterback won three consecutive NFL Most Valuable Player Awards and led the Green Bay Packers to victory in Super Bowl XXXI.
1975 – Sean Lennon
The American musician and songwriter has released solo work and performed with groups including the Plastic Ono Band and The Ghost of a Saber Tooth Tiger.
1979 – Mýa
The American singer, songwriter and actress won a Grammy as part of the ensemble recording of “Lady Marmalade.”
Summary
October 10 connects Arizona’s path toward statehood with landmark developments in American institutions, space science, popular culture and athletics. The date also honors a diverse group of artists, performers and athletes whose work shaped their fields.




