The Illinois Central Railroad , sometimes called the Main Line of Mid-America, was a railroad in the Central United States, with its primary routes connecting Chicago, Illinois, with New Orleans, Louisiana, and Mobile, Alabama, and thus, the Great Lakes to the Gulf of Mexico. A line also connected Chicago west to Sioux City, Iowa (1870). There was a significant branch to Omaha, Nebraska (1899), west of Fort Dodge, Iowa, and another branch reaching Sioux Falls, South Dakota (1877), starting from Cherokee, Iowa. Beginning in 1850, IC was the first U.S. railroad in which construction was partially financed through a federal land grant - such financing became a key to building U.S. railroads. The Canadian National Railway acquired control of the IC in 1998, and merged its operations in 1999. Illinois Central continues to exist as a paper railroad. History The IC was one of the oldest Class I railroads in the United States. The company was incorporated by the Illinois General Assembly on January 16, 1836. Within a few months Rep. Zadok Casey (D-Illinois) introduced a bill in the U.S. House of Representatives authorizing a land grant to the company to construct a line from the mouth of the Ohio River to Chicago and on to Galena. Federal support, however, was not approved until 1850, when U.S. President Millard Fillmore signed a land grant for the construction of the railroad. The Illinois Central was the first land-grant railroad in the United States. The Illinois Central was chartered by the Illinois General Assembly on February 10, 1851. Senator Stephen A. Douglas and later President Abraham Lincoln were both Illinois Central men who lobbied for it. Douglas owned land near the terminal in Chicago. Lincoln was a lawyer for the railroad. Illinois legislators appointed Samuel D. Lockwood, recently retired from the Illinois Supreme Court (who may have given both lawyers the oral examination before admitting them to the Illinois bar), as a trustee on the new railroad's board to guard the public's interest. Lockwood, who would serve more than two decades until his death, had overseen federal land monies shortly after Illinois' statehood, then helped oversee early construction of the recently completed Illinois and Michigan Canal. Upon its completion in 1856, the IC was the longest railroad in the world. Its main line went from Cairo, Illinois, at the southern tip of the state, to Galena, in the northwest corner. A branch