Due to another outbreak of cholera, the city authorizes the establishment of a hospital in the Third Ward.

The first Masonic Lodge, Order #504, Ancient Free and Accepted Masons is established.

The International Working Men's Association forms a union in East St. Louis. Abraham Lincoln gives the union movement a big boost when he makes a forceful declaration in favor of trade unions.

German Catholics organize to build St. Henry's Church. Father A. B. Rinkes is the pastor. A two-story frame church is built at Collinsville and St. Louis Ave. Due to rapid growth, a new church was later built at Sixth and Broadway on land donated by Henry Oebike. Total cost of the brick building was $34,000. A two-story brick school is built in 1905.

Gaty Avenue is named after Captain Samuel Gaty of the Keokuk Packet Line.

Pittsburg Railroad Company constructs a dike by which the course of Cahokia Creek is diverted where it will enter the river just north of the dike. Before then, it wound its sluggish current along the old main shore for nearly three miles farther south.

The American Bottom Board of improvements is formed (a levee district) with Vital Jarrot as president, along with members John Bowman, Thomas Winstanley and Joseph Boismerme. The group works on plans for building dikes and diverting Cahokia Creek into the Mississippi River near Brooklyn, flanked on both sides by levees.