1842 in Mexico

Incumbents

• President:
• * Antonio López de Santa Anna until October 26
• * Nicolás Bravo after October 26

  Governors

• Chiapas:
• Chihuahua:
• Coahuila:
• Durango:
• Guanajuato:
• Jalisco:
• State of Mexico:
• Michoacán:
• Nuevo León:
• Oaxaca:
• Puebla:
• Querétaro:
• San Luis Potosí:
• Sinaloa:
• Sonora:
• Tabasco:
• Tamaulipas:
• Veracruz:
• Yucatán:
• Zacatecas:

  Events

• 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.

  Notable births

• September 8 - Juan José Carrillo, Mayor of Santa Monica, California was born in Santa Barbara, Alta California
• October 8 - Francisco del Paso y Troncoso, historian and Nahuatl scholar was born in Veracruz, Veracruz

  Notable deaths

• August 24 - Leona Vicario, supporter of the Mexican War of Independence and wife of Andrés Quintana Roo

  Dates unknown

• Silvestre De León, soldier and third Alcalde of Victoria murdered in Victoria
• José Mariano Elízaga, composer died in Morelia
• Agustín V. Zamorano, printer and Governor of Alta California died in San Diego