How Did Race Become Part of the Public Discourse?

Sunder catale is director of the identity and integration think tank, british future. Patrick was one of 20 activists ready to change the world. Also behind the 100 great black britons campaign. When did race become part of the public discourse? I've come to the conclusion every 20, 30 years, we have these moments of epiphany or epoch moments, where everyone talks about race. But i can remember we had the same conversations round the murder of stephen lawrence. And then one of my favourites, ane heroes, she passed away over a year ago, dame jocelyn barrow. She was telling me about the big conversations they were having about race