Chicago has professional sports teams in each of the major professional leagues.
Concern for social problems among Chicago's immigrant poor led Jane Addams and Ellen Gates Starr to found Hull House in 1889.
During the 1870s and 1880s, Chicago attained national stature as the leader in the movement to improve public health.
On June 15, 1835, the first public land sales began with Edmund Dick Taylor as U. the city became an important transportation hub between the eastern and western United States.
Chicago's first railway, Galena and Chicago Union Railroad, and the Illinois and Michigan Canal opened in 1848.
The canal allowed steamboats and sailing ships on the Great Lakes to connect to the Mississippi River.