1842 in the United States
|1842 in the United States|
|Years:||1839 1840 1841 – 1842 – 1843 1844 1845|
26 stars (1837–45)
Events from the year 1842 in the United States.
- President: John Tyler (W-Virginia)
- Vice President: vacant
- Chief Justice: Roger B. Taney (Maryland)
- Speaker of the House of Representatives: John White (W-Kentucky)
- Congress: 27th
- February 1 – Willamette University is established in Salem, Oregon.
- March – Commonwealth v. Hunt: the Massachusetts Supreme Court makes strikes and unions legal in the United States.
- March 5 – Mexican troops led by Rafael Vasquez invade Texas, briefly occupy San Antonio, and then head back to the Rio Grande. This is the first such invasion since the Texas Revolution.
- March 9 – First documented discovery of gold in California, by Francisco Lopez at Placerita Canyon in Rancho San Francisco, sparking a small-scale gold rush, mainly of Mexicans from Sonora.
- May 19 – Dorr Rebellion: Militiamen supporting Thomas Wilson Dorr attack the arsenal in Providence, Rhode Island but are repulsed.
- August 4 – The Armed Occupation Act is signed, providing for the armed occupation and settlement of the unsettled part of the Peninsula of East Florida.
- August 9 – The Webster-Ashburton Treaty is signed, establishing the United States–Canada border east of the Rocky Mountains.
- September – The Wesleyan University is established in Ohio.
- November 26 – The University of Notre Dame in South Bend, Indiana (United States) is established by Father Edward Sorin of the Roman Catholic Congregation of Holy Cross.
- December 20 – The Citadel, The Military College of South Carolina is established.
- The Sons of Temperance is founded in New York City.
- Founding of:
- The Scroll and Key secret society of Yale University is established.
- Second Seminole War (1835–1842)
- January 11 – William James, psychologist and philosopher (died 1910)
- February 3 – Sidney Lanier, musician, poet and writer (died 1881)
- February 28 – Stephen Wallace Dorsey, U.S. Senator from Arkansas from 1873 to 1879 (died 1916)
- March 30 – John Fiske, philosopher (died 1901)
- June 16 – David Herold, accomplice of John Wilkes Booth (born 1865)
- June 24 – Ambrose Bierce, writer and satirist (died c. 1914 in Mexican Revolution)
- July 30 – Thomas J. O'Brien, politician and diplomat (died 1933)
- September 13 – John H. Bankhead, U.S. Senator from Alabama from 1907 to 1920 (died 1920)
- October 3 – Frederick Rodgers, admiral (died 1917)
- October 14 – Joe Start, baseball first baseman (died 1927)
- October 28 – Anna Elizabeth Dickinson, orator (died 1932)
- December 15 – George Keller, architect (died 1935)
- March 4 – James Forten, African American abolitionist and businessman (born 1766)
- March 13 – Samuel Eells, founder of Alpha Delta Phi fraternity (born 1810)
- July 23 – Timothy Swan, psalmist and hatter (born 1758)
- October 2 – William Ellery Channing, Unitarian theologian and minister (born 1780)
- December 1 – Philip Spencer, founder of Chi Psi fraternity and midshipman aboard the USS Somers (born 1823)
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