site of a battle (1847) of the Mexican War, near Saltillo, Mexico, in which Santa Ana's army withdrew after a stalemated engagement with U.S. forces under Zachary Taylor, giving Taylor control of N Mexico
See Buena Vista in American Heritage Dictionary 4
(bwāˈnə vĭsˈtə, bwĕˈnä vēsˈtä)
A locality in northern Mexico just south of Saltillo. In the Mexican War U.S. forces led by Zachary Taylor defeated a Mexican army commanded by Santa Anna on February 22-23, 1847.