Which was abhorrent. Not sure it's an immigration thing though - they thought Mandela was a terrorist.
20 years is probably too short a timescale though, I guess it has been burbling along since Windrush. I don't recall it being quite so overt 20 years ago, though.
I'm not sure the Tories were always anti-immigrant. They've definitely become that over the course of the last twenty years, though.