Conversation so far:
what was the first american city to host the olympic games
St. Louis, Missouri was the first U.S. city to host the Olympics.
what is st. louis missouri known for
St. Louis has three professional sports teams: the St. Louis Cardinals of MLB, the St. Louis Blues of the NHL, and the St. Louis BattleHawks of the XFL.
where is the city located of st. louis
St. Louis is situated along the western bank of the Mississippi River, which forms the state line between Illinois and Missouri.

Question: what was in the city before it was settled by europeans
Self-contained rewrite: what was in the city of st. louis before it was settled by europeans