Fun fact: the first curry shop to open in GB predated the first fish and chippery. Curry may not have been invented in GB, though apparently Chicken Tikka Masala was, but I would claim that the popularization of curries worldwide was certainly influenced more by the British than the Indians.
I would be shocked if that is true about the fish and chips coming after the curry. But, if it turns out to be true, I promise to repeat it very often.
https://en.m.wikipedia.org/wiki/Hindoostane_Coffee_House
They are the first curry shop, opened in 1810
https://docksidehhi.com/the-history-of-fish-and-chips/
According to that the first fish and chippery opened in 1860