... 1892 Eighty square miles of territory inundated by the breaking of a levee on the Mississippi......1892 Democratic National Convention meets at Chicago......June 21, 1892 University of Chicago opens, without formal ceremony, with 500 students......Oct. 1, 1892 World's Columbian Exposition, preliminary exercises at Chicago; orations by Chauncey M. Depew and Henry Watterson......Oct. 21,...