This document provides a brief history of Chicago in 3 sentences. It describes Chicago as the hog butcher for the world and player with railroads, known for its big shoulders from a Carl Sandburg poem. The document then lists many notable events and figures in Chicago's history such as the 1968 Democratic Convention, the Great Chicago Fire, and famous Chicagoans like Barack Obama and Hugh Hefner. It concludes by mentioning Chicago as a finalist to host the 2016 Olympics and references the city today.