Battle of San JacintoBattle of San Jacinto, (April 21, 1836), defeat of a Mexican army of about 1,200–1,300 men under Antonio López de Santa Anna by about 900 men (mostly recent American arrivals in Texas) led by Gen. Sam Houston. The outcome ensured the success of American settlers in the Texas Revolution (War of Texas Independence). Along the San Jacinto River, near the site of what was to be the city of Houston, Houston’s men, after days of retreat, took the resting Mexican force by surprise (mounting their assault about 3:30 pm, during the Mexicans’ siesta), shouting, “Remember the Alamo, remember Goliad!” (the scenes of their previous defeats)...