What state hosted the first professional baseball game?

Answer 1

The first recorded Baseball TEAM that explicitly paid all of its players was the Cincinnati Red Stockings, founded in 1869. In played scores of amateur teams in that year, beginning on May 4 in Ohio with a win over the Great Westerns of Cincinnati.

The first LEAGUE of all-professional teams was the "National Association," and this league played its first game on 1871 May 4, in Fort Wayne, Indiana, as the host Kekiongas beat the Forest Citys of Cleveland. Yes, those WERE the names of the teams!

So, take your pick: Ohio or Indiana.