The Cubs are one of two major league teams based in Chicago; the other, the Chicago White Sox, is a member of the American League (AL) Central division. The Cubs, first known as the White Stockings, were a founding member of the NL in 1876, becoming the Chicago Cubs in 1903.
What year did the White Sox start?
The White Sox were originally known as the Sioux City (Iowa) Cornhuskers, and the team was founded as a minor league organization in 1894.