Conversation so far:
When did George Foreman make his second comeback?
In 1987, after 10 years away from the ring, George Foreman surprised the boxing world by announcing a comeback at the age of 38.
Who was the first person George Foreman fought for his second comeback?
For his first fight after his second comeback, George Foreman went to Sacramento, California, where he beat journeyman Steve Zouski by a knockout in four rounds.
Who else George Foreman fight for his second comeback besides Steve Zouski?
Perhaps George Foreman's most notable win during his second comeback was a seventh-round knockout of former Light Heavyweight and Cruiserweight Champion Dwight Muhammad Qawi.

Question: When did he retire?
Self-contained rewrite: When did George Foreman announce his second retirement?