Conversation so far:
What was the shot heard round the world?
The home run, nicknamed the "Shot Heard 'Round the World", was dramatic as, until 1969.
What happened in 1969?
league pennants were only decided by playoff when the teams involved finished the regular season in a tie.

Question: What happened then?
Self-contained rewrite: After the teams finished the regular season in a tie, what happened to Bobby Thomson then?