Cook County Hospital is the fictional hospital in the NBC series ER NBC, formerly called the National Broadcasting Company, is an American television broadcasting company based in New York Citys Rockefeller Center. ... ER is a long-running serial drama created by novelist Michael Crichton and set primarily in the emergency room of Cook County Hospital in Chicago, Illinois. ...
The county seat is Chicago, the principal city of its metropolitan area, Chicagoland; Chicago makes up about 54% of the population of the county, the rest being provided by various suburbs, and Cookcounty itself makes up 43.3% of the state population as of 2000.
CookCounty was created on January 15, 1831 by an act of the Illinois State Legislature.
It was the 54th county established in Illinois and was named after Daniel Pope Cook, one of the earliest and youngest statesmen in Illinois history who served as the first U.S. representative from Illinois and the first Attorney General of the State of Illinois.
A permanent hospital was built by the city of Chicago in 1857 at the urging of Brockholtz McVicar, who had been the commissioner of health during the cholera epidemics of 1849 and 1854.
From its beginning, the CookCountyHospital was a center for medical education.
Amidst great turmoil, the CookCounty Board of Commissioners retained control of the budget, and in 1975 cutbacks provoked a strike among interns and residents, closing the hospital.