The area became heavily industrialised with an ironworks (established 1838) and shipyards in the docks (established in the 1870s). By 1913, no fewer than 43 ship-owning companies were located in the town, with responsibility for 236 ships. This made it a key target for Germany in the First World War. One of the first German offensives against Britain was the Raid on Scarborough, Hartlepool and Whitby on the morning of 16 December 1914,