Conversation so far:
What happened to Sean Kelly during the Grand Tour success?
Sean Kelly returned to the 1988 Vuelta a España which started on the mountainous island of Tenerife where his team struggled in the second stage, and lost.
What happened after Sean Kelly won?
After Sean Kelly's Vuelta win Kelly returned to Carrick-on-Suir where a parade was held in his honour.
Did anything happen major during the Carrick-on-Suir parade for Sean Kelly's Grand Tour victory?

Question: What else is important about his Grand Tour success?
Self-contained rewrite: What else is important about Sean Kelly's Grand Tour success besides winning the Sean Kelly's Grand Tour?