1848 in Mexico

International affairs

• March 16 – Battle of Santa Cruz de Rosales
  Battle of Santa Cruz de Rosales
  The Battle of Santa Cruz de Rosales was an engagement of the Mexican-American War that took place after the Treaty of Guadalupe Hidalgo had been signed.-Background:...
  
   in Chihuahua
• May 30 – Treaty of Guadalupe Hidalgo
  Treaty of Guadalupe Hidalgo
  The Treaty of Guadalupe Hidalgo is the peace treaty, largely dictated by the United States to the interim government of a militarily occupied Mexico, that ended the Mexican-American War...
  
   with the United States
  United States
  The United States of America is a federal constitutional republic comprising fifty states and a federal district...