In 1836, Texans under Sam Houston surprised and defeated a larger force of Mexicans in the final and decisive battle of the Texas Revolution on the San Jacinto near the mouth of Buffalo Bayou. The battlefield, a national historic landmark, is in San Jacinto State Park, which has a monument 570 ft (173 m) high; Apr. 21, San Jacinto Day, is a Texas holiday.
The U.S.S. Texas is moored near the park. Dams on tributaries include the Barker Dam (39 ft/12 m high; 14 mi/23 km long; completed 1945) on Buffalo Bayou and Addicks Dam (50 ft/15 m high; 12 mi/19 km long; completed 1948) on South Mayde Creek.Battle of San Jacinto, April 21, 1836