city, seat of Westmoreland county, southwestern Pennsylvania, U.S., 30 miles (48 km) southeast of Pittsburgh. The opening of the Pennsylvania state road in 1784 stimulated development in the region, and Greensburg (named for Revolutionary War general Nathanael Greene) was settled by 1785. The nearby village of Hannastown had been destroyed by a Seneca Indian raid in 1782, and the county government was moved to Greensburg in 1785. The railroad arrived in 1852. In an area abounding in natural gas and bituminous coal, the city has industries producing garage doors, electric transformers, and plumbers' supplies; there are also machine shops and a foundry. Greensburg is the seat of Seton Hill College (a Roman Catholic college for women founded in 1883) and a branch campus (1963) of the University of Pittsburgh. Inc. borough, 1799; city, 1928. Pop. (1990) 16,318; (2000) 15,889.
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