VERNON, a town of north-western France. Pop. (1931) 8,408. Vernon in 1196 was ceded by its count to Philip Augustus, Richard I. resigning his suzerainty. The first Estates of Nor mandy were held at Vernon in 1452. Vernon stands on the left bank of the Seine. The church of Notre-Dame is an interest ing building dating from the 12th to the 15th centuries, and there is a cylindrical keep built by Henry I. of England.