Baseball
The History of Baseball
it is based on the English game of rounders, a game which began to become quite popular in this country in the early 19th century, and many sources report the growing popularity of a game called "townball", "base", or "baseball". In 1845, Alexander Cartwright wanted to formalize a list of rules by which all teams could play.

One of the greatest that has ever played the game: Jackie Robinson
The earliest known game of baseball was in 1791Pittsfield, Massachusetts
This graph shows the mlb attendance increases every decade.