MARIETTA, a city and the county-seat of Washington county, Ohio, U.S.A., on the Ohio River, at the mouth of the Muskingum, about 115 m.
It is served by the Pennsylvania (Marietta Division), the Baltimore & Ohio (Marietta & Parkersburg, Marietta & Zanesville, and Ohio River divisions) and the Marietta, Columbus & Cleveland railways, and by steamboat lines to several river ports; a bridge across the Ohio connects it with Williamstown, West Virginia.
Marietta is the seat of Marietta College, dating from 1830, which in 1908 had more than Soo students.
Marietta, named in honour of Marie Antoinette, is the oldest settlement in the state and in the North-west Territory.
He was killed in the fighting in front of Marietta, while reconnoitring near Pine Mountain, Georgia, on the 14th of June 1864.