Discovery of Gold
Marshall discovers gold at Sutter's Mill, sharply increasing migration and transisthmian travel.
Permanent historical records · Updated 2026-11-03
1848 in United States of America
Explore 20 historical events and records for United States of America in 1848.
Historical records for United States of America in 1848
Sorted by month and day. Records with no month are shown last. Showing 20 of 20 unique records.
20Unique records
1 of 1Page
9Named events on this page
8Named people on this page
14Places on this page
January
February
Mexican Cession
Treaty of Guadalupe Hidalgo transfers territory including much of present-day Arizona to the United States
Mexican Cession
Treaty of Guadalupe Hidalgo transfers Upper California to the United States
Mexican Cession
Treaty of Guadalupe Hidalgo transfers New Mexico to the United States
Treaty of Guadalupe Hidalgo
Treaty of Guadalupe Hidalgo is signed by American and Mexican negotiators
Treaty of Guadalupe Hidalgo
Treaty of Guadalupe Hidalgo is signed ending the Mexican-American War
Treaty of Guadalupe Hidalgo
Trist signs the Treaty of Guadalupe Hidalgo ending the war and fixing the terms of peace
April
Treaty of Guadalupe Hidalgo
Proclaims the Treaty of Guadalupe Hidalgo in force for the United States
October
Treaty of Guadalupe Hidalgo
United States Senate approves ratification of the Treaty of Guadalupe Hidalgo with amendments
Other events (month unknown)
Treaty of Guadalupe Hidalgo
Submits the Treaty of Guadalupe Hidalgo to the United States Senate
Treaty of Guadalupe Hidalgo
Ratifies the amended Treaty of Guadalupe Hidalgo on behalf of the United States
Treaty of Guadalupe Hidalgo
Ratifications of the Treaty of Guadalupe Hidalgo are exchanged at Queretaro
Education
Graduates from Union College
Massachusetts House
Serves in the Massachusetts House of Representatives.
Mexican Treaty Confirms Texas Border
The Treaty of Guadalupe Hidalgo ended the Mexican American War and recognized the Rio Grande as the boundary of Texas.
Presidential Campaign
Supports Zachary Taylor as the Whig candidate in the 1848 presidential election
Salt Lake Colonisation Expands
Brigham Young directed new settlements and agricultural development around the Great Salt Lake.
Treaty of Guadalupe Hidalgo
Treaty transfers a vast cession of Mexican territory to the United States
Treaty of Guadalupe Hidalgo
Treaty confirms the Rio Grande as the southern boundary of Texas
Trist Signs Peace Despite Recall
Nicholas Trist signed the Treaty of Guadalupe Hidalgo after continuing negotiations despite orders recalling him.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.