Kirkby
Another one that strains the definition of "around Preston", Kirkby is a town 6 miles northeast of Liverpool, and 20 southsoutheast of Preston. Until the 1930s, it was a small village, with a railway station and hotel, and a couple of dozen houses. Then World War 2 happened, and a plot of land was selected for a munitions factory - Kirkby Royal Ordinance Factory. The site opened in 1940, and employed over 20,000 people, served by the railway, with its own station to get workers to and from the place. I have read it proved 10% of the ammunition used in the war. After the war, the site was repurposed as an industrial estate, and at the same time the city of Liverpool was looking to build new houses, and the result is a town that now has a population over 40,000. To be honest, the only feature of any great significance is the church of St Chad, the foundations of which date to before the Norman conquest, though the building itself was built 1869-71. It is grade II* listed. The s...