Conversation so far:
Is Forever the name of one of Spice Girls' albums?
Forever is the third studio album by English girl group the Spice Girls.
Was Spice Girls' Forever a popular album?
Despite failing to match the commercial success two previous albums, Forever peaked at number two on the UK Albums Chart and was certified Platinum by the British Phonographic Industry.
Was the commercial failure of the album Forever the reason the Spice Girls took a hiatus?
In January 2001 the Spice Girls unofficially announced that they were beginning an indefinite hiatus and would be concentrating on their solo careers.

Question: How long was the hiatus?
Self-contained rewrite: How long was the Spice Girls' hiatus?