1846 in Mexico

Events in the year 1846 in Mexico.

Decades:

Incumbents

Aguascalientes: Felipe Nieto y del Portillo/Felipe Cosio
Chiapas: JerÃ³nimo Cardona
Chihuahua: Ãngel TrÃas Ãlvarez/Mauricio Ugarte/Cayetano Justiniani/JosÃ© MarÃa Irigoyen RodrÃguez/Ãngel TrÃas Ãlvarez
Coahuila: Rafael VÃ¡zquez/JosÃ© MarÃa de Aguirre GonzÃ¡lez/Santiago RodrÃguez del Bosquea
Durango:
Guanajuato:
Guerrero:
Jalisco: Antonio Escobedo/Juan Nepomuceno Cumplido/JosÃ© MarÃa YÃ¡Ã±ez/JoaquÃn Angulo
State of Mexico:
MichoacÃ¡n:
Nuevo LeÃ³n: Pedro de Ampudia
Oaxaca:
Puebla:
QuerÃ©taro: JuliÃ¡n Juvera
San Luis PotosÃ:
Sinaloa:
Sonora:
Tabasco:
Tamaulipas: Juan Martin de la Garza Flores/Manuel NÃºÃ±ez Ponce/Manuel SaldaÃ±a/Francisco Vital Fernandez
Veracruz: Manuel GutiÃ©rrez Zamora/JosÃ© de EmparÃ¡n/Manuel GutiÃ©rrez Zamora
YucatÃ¡n: Miguel Barbachano
Zacatecas:

April 25 â MexicanâAmerican War: Open conflict begins over border disputes of Texas's boundaries.^[1]
May 8 â MexicanâAmerican War â Battle of Palo Alto: Zachary Taylor defeats a Mexican force north of the Rio Grande at Palo Alto, Texas, in the first major battle of the war.
May 9 â MexicanâAmerican War â Battle of Resaca de la Palma in Brownsville, Texas
May 13 â MexicanâAmerican War: The United States declares war on Mexico.
June 10 â MexicanâAmerican War: The California Republic declares independence from Mexico.
June 14 â Bear Flag Revolt: American settlers in Sonoma, California, start a rebellion against Mexico and proclaim the California Republic.
July 7 â Acting on instructions from Washington, DC, Commodore John Drake Sloat orders his troops to occupy Monterey and Yerba Buena, thus beginning the United States annexation of California.
August 22 â President Salas decrees the 1824 Constitution of Mexico in effect again.^[2]
September 21â24 â Battle of Monterrey