Conversation so far:
Why did Williams leave Take That?
Take That offered Robbie Williams an ultimatum; he was to adhere to the band's responsibilities or leave before their scheduled world tour. Williams chose the latter.
What was the result of the loss of Williams from the band Take That?
Despite the loss of Williams, Take That continued to promote Nobody Else as a four-piece, scoring a further hit single with Never Forget with Donald on lead vocal.

Question: When did they break up?
Self-contained rewrite: When did Take That break up?