Conversation so far:
Who did Chris Jericho defeat to become the World Television Champion?
On August 10, Jericho defeated Stevie Ray to win the World Television Championship (Stevie Ray substituting for the champion Booker T).
Which wrestling league was Jericho in during this time period?
CANNOTANSWER.

Question: What is another notable match that he was in during the 1998 to 1999 time period?
Self-contained rewrite: Besides World Television Champion, what is another notable match that Chris Jericho was in during the 1998 to 1999 time period?