DANVILLE, a town of the United States, the administrative centre of Montour county, Pennsylvania, is situated on the north branch of the Susquehanna river, fifty miles north-east of Harrisburg. To its position in the neighbourhood of Montour Ridge, with its abundant supplies of iron-ore, anthracite, and limestone, it owes its prosperity as one of the principal seats of the iron trade. The railroad iron of the Montour Iron Works is specially celebrated. The town was founded about 1780. Its population in 1870 was 8436.

DANVILLE, a city of the United States, the administrative seat of Vermilion county, Illinois, on the Vermilion river, a tributary of the Wabash, about 125 miles south of Chicago. Situated in a rich and populous district, in the vicinity of an extensive coal-field, and well supplied with building materials and water, it forms a flourishing manufacturing centre with foundries, waggon works, locomotive works, and various other industrial establishments. It was founded in 1828, and in 1873 had about 7000 inhabitants.