Battle fought in 1847 near Monterrey, Mexico, in the Mexican War .
A U.S. force of 5,000 commanded by Gen. Zachary Taylor and assisted by Jefferson Davis invaded northern Mexico and engaged a Mexican force of 14,000 under Gen. Antonio Santa Anna . The U.S. forces repulsed the Mexican attack, and the Mexicans retreated with 1,500 casualties. Taylor's victory helped him win the 1848 U.S. presidential election.