Warrington is a town in Cheshire, England. Historically part of Lancashire, it is on the banks of the River Mersey; founded by the Romans thanks to the important crossing along the river. A new settlement was established by the Saxons and by the Middle Ages, Warrington had emerged as a market town at the lowest bridging point. A local tradition of textile and tool production dates from this time. Historically in Lancashire, the expansion and urbanisation of Warrington coincided with the Industrial Revolution, particularly after the Mersey was made navigable in the 18th century. People from Warrington are familiary known as Warringtonians.