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