 A number of culinary and medical advances have been developed in Oldham . There are claims that Oldham was the birthplace of the first chip shop . The sometimes disputed claim of trade in deep @-@ fried <unk> potatoes is said to have been started around 1858 – 60 from an outlet owned by a John Lees , on what is the present site of Oldham 's <unk> Market . In 1900 Oldham had the highest concentration of chip shops in the country , one for every 400 people . <unk> Pudding is a <unk> dish said to be native to Oldham . <unk> Wine Lodge was founded in Oldham by Peter and Simon <unk> in 1884 . 
