|
Date
|
Northern
Mexico
and Texas
|
Central Mexico
|
Other
|
|
1845
|
|
March 1
|
|
|
Tyler signs Texas
annexation resolution
|
|
March 4
|
|
|
Polk inaugurated
|
|
March 28
|
|
|
Mexico breaks diplomatic relations
|
|
November - January
|
|
|
Slidell Mission
|
|
December
|
|
|
Frémont in Upper California
|
|
1846
|
|
March 28
|
Taylor to Rio Grande
|
|
|
|
April 23
|
|
|
Mexico declares war
|
|
April 25
|
Mexicans attack Taylor
on American soil
|
|
|
|
May 8
|
Palo
Alto, TX
|
|
|
|
May 9
|
Resaca
de la Palma, TX
|
|
|
|
May 13
|
|
|
Congress declares war
|
|
May 18
|
US takes Matamoros
|
|
|
|
June 14
|
|
|
Bear Flag Republic
proclaimed at Sonoma
|
|
July 7
|
|
|
Sloat takes Monterey, CA;
later Yerba Buena, Sonoma
|
|
August 18
|
|
|
Kearny occupies Santa Fe
|
|
August 22
|
|
|
New Mexico
annexed
|
|
September 19
|
Battle of Monterrey (Mex.)
begins
|
|
|
|
November 16
|
Taylor takes Saltillo
|
|
|
|
December
|
|
|
Kearny arrives in California
|
|
1847
|
|
January
|
|
Winfield Scott prepares invasion force
|
|
|
January 10
|
|
|
Kearny and Stockton take Los Angeles
|
|
January 13
|
|
|
Frémont negotiates Treaty
of Cahuenga
|
|
February 22
|
Buena Vista begins
|
|
|
|
February 28
|
|
|
Chihuahua falls
|
|
March 29
|
|
Vera Cruz occupied
|
|
|
April 9
|
|
March on Mexico City begins
|
|
|
April 17-18
|
|
Cerro Gordo
|
|
|
May 14-15
|
|
Puebla
|
|
|
Mid-1847
|
|
|
Trist peace effort
|
|
August 19
|
|
Contreras
|
|
|
August 20
|
|
Churubusco
|
|
|
September 8
|
|
Molino del Rey
|
|
|
September 12
|
|
Chapultepec
|
|
|
September 13
|
|
Mexico
City falls
|
|
|
1848
|
|
January
|
|
|
Gold discovered in California
|
|
February 2
|
|
|
Treaty of Guadalupe-Hidalgo
signed
|
|
March 10
|
|
|
US Senate ratifies treaty
|
|
May 30
|
|
|
Mexico ratifies treaty
|
|
June 12
|
|
Last US soldiers depart Mexico City
|
|
