1842 in the United States
overview of USA-related events during the year of 1842
Events from the year 1842 in the United States.
Incumbents
Federal government
President: John Tyler (I-Virginia)
Vice President: vacant
Chief Justice: Roger B. Taney (Maryland)
Speaker of the House of Representatives: John White (W-Kentucky)
Congress: 27th
State governments
Events
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 1 – A parade in Philadelphia celebrating the end of slavery in the Caribbean is attacked by a mob, leading to the 3-day Lombard Street riot.
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.
Begin with the source’s own compact description: “1842 in the United States” is overview of USA-related events during the year of 1842. The dossier treats that line as a proposition to test through United, States and overview, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 16, 2026. The linked authority identifier is Q2810118. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1842.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “1842 in the United States” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.