Taylor Zachary

Taylor

, Zachary Known as "Old Rough and Ready." 1784-1850. The 12th president of the United States (1849-1850). An army officer in the Black Hawk War (1832) and the Second Seminole War (1835-1842), he became a national hero during the Mexican War (1846-1848), was elected president (1848), and died in office (1850).