President and Cabinet edit

• President: Juan Bautista Ceballos^[1]
• President: Manuel María Lombardini
• President: Antonio López de Santa Anna
• Interior Secretary (SEGOB): Manuel Díez de Bonilla/Ignacio Aguilar

Governors edit

• Aguascalientes: José Cirilo Gómez Anaya
• Chiapas: Fernando Nicolás Maldonado/Domingo Ruiz Molina/Fernando Nicolás Maldonado
• Chihuahua:
• Coahuila:
• Durango:
• Guanajuato:
• Guerrero:
• Jalisco:
• State of Mexico:
• Michoacán:
• Nuevo León: Agapito García Dávila
• Oaxaca:
• Puebla:
• Querétaro: José Antonio Urrutia/Ramón María Loreto Canal de Samaniego/Ramón María Loreto Canal de Samaniego/José María Herrera y Lozada
• San Luis Potosí:
• Sinaloa:
• Sonora:
• Tabasco:
• Tamaulipas:
• Veracruz:
• Yucatán: Miguel Barbachano
• Zacatecas:

• December 30 – Gadsden Purchase: The United States buys land from Mexico to facilitate railroad building in the Southwest.^[2]

January edit

• February 6 – Anastasio Bustamante, Mexican President (b. 1780)

June edit

• Lucas Alamán, Mexican statesman and historian (b. 1792)