city, seat (1846) of Grayson county, northern Texas, U.S. It lies on a watershed split between the Red and Trinity rivers, near Lake Texoma and Denison. Founded in the 1840s, it was named for General Sidney Sherman, a cavalry officer during the Texas Revolution and an early railroad promoter. Lying along the Butterfield Trail, it became a rendezvous for cattle drovers, buffalo hunters, and farmers. The railroads arrived in the 1870s. In 1876 Austin College (Presbyterian, founded 1849) was moved to the city from Huntsville
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