Conversation so far:
What was the Alf-Inge Håland incident involving Roy Keane?
Roy Keane made headlines again in the 2001 Manchester derby, when he was sent off for a blatant knee-high foul on Alf-Inge Håland.

Question: What year did this occur?
Self-contained rewrite: What year did Roy Keane getting sent off for a blatant knee-high foul on Alf-Inge Håland occur?