Battle of Rio San Gabriel
Encyclopedia
The Battle of Rio San Gabriel fought on January 8, 1847 was a decisive action of the California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 campaign of the Mexican-American War and occurred at a ford of the San Gabriel River
San Gabriel River (California)
The San Gabriel River flows through southern Los Angeles County, California in the United States. Its main stem is about long, while its farthest tributaries extend almost altogether...

, at what are today parts of the cities of Whittier
Whittier, California
Whittier is a city in Los Angeles County, California about southeast of Los Angeles. The city had a population of 85,331 at the 2010 census, up from 83,680 as of the 2000 census, and encompasses 14.7 square miles . Like nearby Montebello, the city constitutes part of the Gateway Cities...

, Pico Rivera
Pico Rivera, California
Pico Rivera is a city located in southeastern Los Angeles County, California, United States. The city is situated approximately 11 miles southeast of downtown Los Angeles, on the eastern edge of the Los Angeles basin, and on the southern edge of the area known as the San Gabriel Valley...

 and Montebello
Montebello, California
Montebello is a city in Los Angeles County, California, United States, in the southwestern part of the San Gabriel Valley. It is located on of land just east of downtown Los Angeles. It is considered part of the Gateway Cities, and the city is a member of the Gateway Cities Council of...

, about ten miles south-east of downtown Los Angeles.

Background

After the Battle of San Pasqual
Battle of San Pasqual
The Battle of San Pasqual, also spelled San Pascual, was a military encounter that occurred during the Mexican-American War in what is now the San Pasqual Valley community of the city of San Diego, California. On December 6 and December 7, 1846, General Stephen W...

, the battered Army of the West
Army of the West (1846)
The Army of the West was the name of the United States force commanded by Stephen W. Kearny during the Mexican-American War, which played a prominent role in the conquest of New Mexico and California....

 commanded by General Stephen W. Kearny
Stephen W. Kearny
Stephen Watts Kearny surname also appears as Kearney in some historic sources; August 30, 1794 October 31, 1848), was one of the foremost antebellum frontier officers of the United States Army. He is remembered for his significant contributions in the Mexican-American War, especially the conquest...

 went to the headquarters of Commodore Robert F. Stockton
Robert F. Stockton
Robert Field Stockton was a United States naval commodore, notable in the capture of California during the Mexican-American War. He was a naval innovator and an early advocate for a propeller-driven, steam-powered navy. Stockton was from a notable political family and also served as a U.S...

 at San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

. Stockton's next objective was to recapture Pueblo de Los Angeles
Los Ángeles
Los Ángeles is the capital of the province of Biobío, in the commune of the same name, in Region VIII , in the center-south of Chile. It is located between the Laja and Biobío rivers. The population is 123,445 inhabitants...

. That settlement had been previously captured by Stockton's forces but was left in the command of Captain Archibald Gillespie and had been lost to the Californio
Californio
Californio is a term used to identify a Spanish-speaking Catholic people, regardless of race, born in California before 1848...

 militia
Militia
The term militia is commonly used today to refer to a military force composed of ordinary citizens to provide defense, emergency law enforcement, or paramilitary service, in times of emergency without being paid a regular salary or committed to a fixed term of service. It is a polyseme with...

, commanded by General José Mariá Flores
José Mariá Flores
General José María Flores was an officer in the Mexican Army and was a member of la otra banda. He was appointed Governor and Comandante General pro tem of Alta California from 1846 to 1847.-Mexican-America War:...

.

Kearny and Stockton initially disputed the right of command. Although Kearny had superior orders from the United States War Department, he had previously sent most of his troops back to Santa Fe, New Mexico
Santa Fe, New Mexico
Santa Fe is the capital of the U.S. state of New Mexico. It is the fourth-largest city in the state and is the seat of . Santa Fe had a population of 67,947 in the 2010 census...

, believing that the war in California had ended, and his remaining force sustained heavy losses in the US defeat at the Battle of San Pasqual
Battle of San Pasqual
The Battle of San Pasqual, also spelled San Pascual, was a military encounter that occurred during the Mexican-American War in what is now the San Pasqual Valley community of the city of San Diego, California. On December 6 and December 7, 1846, General Stephen W...

. Stockton had a larger force and was familiar with the area, so Kearny did not initially dispute Stockton's command of the campaign to recapture Los Angeles. Stockton departed San Diego in late December with a force of over 600 Sailors and Marines, as well as Kearny's remaining force of about sixty dragoon
Dragoon
The word dragoon originally meant mounted infantry, who were trained in horse riding as well as infantry fighting skills. However, usage altered over time and during the 18th century, dragoons evolved into conventional light cavalry units and personnel...

s.

Battle

U.S. scouts discovered the Mexican position at a key ford along the San Gabriel River
San Gabriel River (California)
The San Gabriel River flows through southern Los Angeles County, California in the United States. Its main stem is about long, while its farthest tributaries extend almost altogether...

 on January 7, 1847. Approaching from the south, Stockton and Kearny planned a crossing for the next day. The U.S. forces were formed into a hollow square with the artillery and baggage in the center. Kearny ordered the artillery unlimbered to cover the crossing, but Stockton countered the order and began to move across the river. The crossing proved to be especially difficult because Flores was in a good position to contest the crossing from the high banks across the river, and the ford had patches of quicksand
Quicksand
Quicksand is a colloid hydrogel consisting of fine granular matter , clay, and water.Water circulation underground can focus in an area with the optimal mixture of fine sands and other materials such as clay. The water moves up and then down slowly in a convection-like manner throughout a column...

 at the bottom of the knee deep water.

The U.S. 560 man force came under fire as it crossed, but because of a lack of sufficient guns and ammunition, and inadequate gunpowder, the Californio
Californio
Californio is a term used to identify a Spanish-speaking Catholic people, regardless of race, born in California before 1848...

's artillery proved to be ineffective. The U.S. officers and men manhandled their cannon across while the forward quarter of the square took cover on the river edge. Stockton personally helped unlimber and direct the artillery, which silenced both Californio cannons. Kearny led and commanded the assault force while Stockton stayed with the guns. The left flank
Flanking maneuver
In military tactics, a flanking maneuver, also called a flank attack, is an attack on the sides of an opposing force. If a flanking maneuver succeeds, the opposing force would be surrounded from two or more directions, which significantly reduces the maneuverability of the outflanked force and its...

 of the square took a Californio riverbank position and held it against a counterattack from Militia
Militia
The term militia is commonly used today to refer to a military force composed of ordinary citizens to provide defense, emergency law enforcement, or paramilitary service, in times of emergency without being paid a regular salary or committed to a fixed term of service. It is a polyseme with...

 Lancers shouting "Viva Los Californios". Then the whole square charged forward shouting "New Orleans, New Orleans"
Battle of New Orleans
The Battle of New Orleans took place on January 8, 1815 and was the final major battle of the War of 1812. American forces, commanded by Major General Andrew Jackson, defeated an invading British Army intent on seizing New Orleans and the vast territory the United States had acquired with the...

, in honor of Andrew Jackson
Andrew Jackson
Andrew Jackson was the seventh President of the United States . Based in frontier Tennessee, Jackson was a politician and army general who defeated the Creek Indians at the Battle of Horseshoe Bend , and the British at the Battle of New Orleans...

's great victory against Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 there that day thirty-one years before. The charge took the heights, and Flores withdrew his smaller force. The battle had lasted an hour and a half, and the battle was decisive in the campaign for control of Los Angeles, and Alta California.

General Kearny's official report of the battle:

“Headquarters Army of the West, Ciudad de Los Angeles, Upper California, January 12, 1847.

SIR, -- I have the honor to report, that at the request of Commodore R. F. Stockton (who in September last assumed the titled of Governor of California), I consented to take command of an expedition to this place – capital of the country – and that on the 29th of December, I left San Diego with about five hundred men, consisting of sixty dismounted dragoons, under Captain Turner ; fifty California volunteers, and the remainder of marines and sailors, with a battery of artillery. Lieutenant Emory, topographical engineers, acted as assistant adjutant-general. Commodore Stockton accompanied us. We proceeded on our route without seeing the enemy till the 8th instant, when they showed themselves in full force of six hundred mounted men, with four pieces of artillery, under their Governor Flores, occupying the heights in front of us, which commanded the crossing of the river San Gabriel, and they ready to oppose our further progress. The necessary disposition of our troops was immediately made, by covering our front with a strong party of skirmishers, placing our wagons and baggage train in rear of them, and protecting the flanks and rear with the remainder of the command. We then proceeded, forded the river, carried the heights, and drove the enemy from them after an action of about one and a half hours, during which they made a charge upon our left flank, which was repulsed ; soon after which, they retreated and left us in possession of the field, on which we encamped that night.

The next day, the 9th instant, we proceeded on our march at the usual hour, the enemy in front and on our flanks, and when we reached the plains of the Mesa, their artillery again opened upon us, when their fire was returned by our guns as we advanced ; and after hovering around and near us for about two hours, occasionally skirmishing with us during that time, they concentrated their force and made another charge on our left flank, which was quickly repulsed ; shortly after which they retired, we continuing our march ; and in the afternoon encamped on the bank of the San Fernando, three miles below this city, which we entered the following morning without molestation.

Our loss in the actions of the 8th and 9th instant was small, being one private killed and two officers (Lieutenant Renshaw of the navy and Captain Gillespie of the volunteers) and eleven privates wounded. The enemy mounted on fine horses and being the best riders in the world, carried off their killed and wounded, and we know not the number of them, though it must have been considerable."

Aftermath

Stockton and Kearny stayed on the field overnight and resumed the pursuit the next day, thinking to overwhelm Flores' troops in the Battle of La Mesa
Battle of La Mesa
The Battle of La Mesa of the Mexican-American War occurred on January 9, 1847, in present-day Vernon, California, the day after the Battle of Rio San Gabriel during the California Campaign.-Background:...

, at the confluence of the San Gabriel and Los Angeles River
Los Angeles River
The Los Angeles River is a river that starts in the San Fernando Valley, in the Simi Hills and Santa Susana Mountains, and flows through Los Angeles County, California, from Canoga Park in the western end of the San Fernando Valley, nearly southeast to its mouth in Long Beach...

s in present day Vernon
Vernon, California
Vernon is a city five miles south of downtown Los Angeles, California. The population was 112 at the 2010 United States Census, the smallest of any incorporated city in the state....

. The Americans suffered 6 casualties as opposed to 40 for the Californios. On January 10 the U.S. forces reoccupied Los Angeles, and Archibald Gillespie was able to raise the same U.S. Flag over the house which he was forced to bring down a year before during the Siege of Los Angeles
Siege of Los Angeles
The Siege of Los Angeles was a military occupation by the United States Marines of the Pueblo de Los Angeles during the Mexican-American war.-Occupation:...

.

After Los Angeles and the whole of southern California was secured, the command issue between Stockton and Kearny heated up once again. Stockton, who had been the initial military governor of California, later granted that post to his aide, Lieutenant-Colonel (later General) John C. Fremont
John C. Frémont
John Charles Frémont , was an American military officer, explorer, and the first candidate of the anti-slavery Republican Party for the office of President of the United States. During the 1840s, that era's penny press accorded Frémont the sobriquet The Pathfinder...

. Kearny, based on his more recent orders from the War Department, asserted that post for himself but was initially ignored, and Fremont represented the United States at the signing of the Treaty of Cahuenga
Treaty of Cahuenga
The Treaty of Cahuenga, also called the "Capitulation of Cahuenga," ended the fighting of the Mexican-American War in Alta California in 1847. It was not a formal treaty between nations but an informal agreement between rival military forces in which the Californios gave up fighting...

 on January 13, 1847, at Campo de Cahuenga
Campo de Cahuenga
The Campo de Cahuenga, near the historic Cahuenga Pass in present day Studio City, Los Angeles, California, was an adobe ranch-house on the Rancho Cahuenga where the Treaty of Cahuenga was signed between Lieutenant Colonel John C. Frémont and General Andrés Pico in 1847, ending hostilities in...

. Based on that snub, Kearny later brought charges against Fremont. A court-martial did convict Fremont, but President James Polk later pardoned him.

Some historians believe that the Battle of Rio San Gabriel was under-reported because of the influence of the politically-ambitious Frémont and his father-in-law Senator Thomas Hart Benton
Thomas Hart Benton (senator)
Thomas Hart Benton , nicknamed "Old Bullion", was a U.S. Senator from Missouri and a staunch advocate of westward expansion of the United States. He served in the Senate from 1821 to 1851, becoming the first member of that body to serve five terms...

, in order to make Frémont look better by downplaying Stockton and Kearny. Others believed that if reports were made of the brave and resistant Californio Lancers, recruiting for the US Army would be difficult, motivation for the Mexicans would be great, and the US Congress would further divide over this war.

On January 10, 1847, Stockton established his headquarters on Wine Street, now known as Olvera Street
Olvera Street
Olvera Street is in the oldest part of Downtown Los Angeles, California, and is part of the El Pueblo de Los Angeles Historic Monument. Many Latinos refer to it as "La Placita Olvera." Circa 1911 it was described as Sonora Town....

, in the pueblo settlement of Ciudad de Los Angeles and assisted in setting up a civil government; that home is still standing as part of the historic area. He left California overland on June 20, 1847, and arrived at Washington, D.C.
Washington, D.C.
Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

 on about December 1. He later served in the United States Senate
United States Senate
The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

, representing New Jersey
New Jersey
New Jersey is a state in the Northeastern and Middle Atlantic regions of the United States. , its population was 8,791,894. It is bordered on the north and east by the state of New York, on the southeast and south by the Atlantic Ocean, on the west by Pennsylvania and on the southwest by Delaware...

.

Kearny left California in August 1847 for Fort Leavenworth
Fort Leavenworth
Fort Leavenworth is a United States Army facility located in Leavenworth County, Kansas, immediately north of the city of Leavenworth in the upper northeast portion of the state. It is the oldest active United States Army post west of Washington, D.C. and has been in operation for over 180 years...

, Kansas
Kansas
Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

, and was reassigned to the war in Mexico.

A memorial, marked by a plaque flanked by two cannons, is located at the corner of Washington Blvd. and Bluff Rd. in Montebello. Volunteers in costume re-enact the battle annually.
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