Lancashire emerged as a major commercial and industrial region during the Industrial Revolution.
Liverpool and Manchester grew into its largest cities, dominating global trade and the birth of modern industrial capitalism.
On 1 April 1974, under the Local Government Act 1972, the administrative county was abolished, as were the county boroughs. In Greater Manchester the successor boroughs were Bury, Bolton, Manchester, Oldham (part), Rochdale, Salford, Tameside (part), Trafford (part) and Wigan.
The urbanised southern part largely became part of two metropolitan counties, Merseyside and Greater Manchester. Warrington and Widnes, south of the new Merseyside/Greater Manchester border were added to the new non-metropolitan county of Cheshire.
abbreviated Lancs.) is a county in north west England.
The county town is Lancaster although the administrative centre is Preston.
The county was subject to a significant boundary reform in 1974 that removed Liverpool and Manchester and most of their surrounding conurbations to form the metropolitan counties of Merseyside and Greater Manchester.
The detached northern part of Lancashire in the Lake District, including the Furness Peninsula and Cartmel, was merged with Cumberland and Westmorland to form Cumbria.
The county contained several mill towns and the collieries of the Lancashire Coalfield.
By the 1830s, approximately 85% of all cotton manufactured worldwide was processed in Lancashire.
The county palatine boundaries remain the same as those of the pre-1974 county, with the Duke of Lancaster exercising sovereignty rights, later than many other counties.