Santa Anna flanks the U.S. positions by…
February 1847 CE
Furious fighting ensues, during which the U.S. troops are nearly routed, but manage to cling to their entrenched position, thanks to the Mississippi Rifles, a volunteer regiment led by Jefferson Davis, who forms them into a defensive V formation.
The Mexicans have inflicted considerable losses but Santa Anna, having received gotten word of upheaval in Mexico City, withdraws in the night, leaving Taylor in control of part of Northern Mexico.