Thursday, August 18, 1803
Construction on the first Fort Dearborn began. The fort, which guarded the mouth of the Chicago River, was located at present-day Michigan Avenue and Wacker Drive.

Thursday, February 14, 1929
Gunmen, under the suspected employment of organized-crime boss Al Capone, murdered seven members of George "Bugs" Moran's North Siders gang in a garage on 2122 North Clark Street. The so-called St. Valentine's Day Massacre stirred a media storm that centered on Capone and his illegal Prohibition-era activities.

Thurdsay, June 10, 1847
The Chicago Tribune published its first edition in a one-room plant located at LaSalle and Lake Streets. The original press run consisted of 400 copies printed on a hand press.

Thursday, August 18, 1982
The longest baseball game played at Wrigley Field went into 22 innings before the Los Angeles Dodgers defeated the Cubs 2-1. The game had started the previous day and had been postponed after 17 innings due to darkness.

Thursday, March 25, 1897
Adolph Louis Luetgert killed his wife in his sausage factory located on the corner of Diversey Parkway and Hermitage Avenue. He processed her body the same way his workers processed sausage.

Thursday, May 22, 1924
The body of Bobby Franks was found, kicking off one of America's most well-known trials of the time. The murder trial of Richard Loeb and Nathan Leopold in Chicago captivated the nation with its 12-hour closing plea and attack on the death penalty.

hursday, January 26, 1967
At 5:03 a.m., snow began falling all over the Chicago area. By midnight the area was covered in over 23 inches of snow with drifts of more than six feet. It is estimated that 75 million tons of snow fell on Chicago. Some of it was sent south in empty railcars as a present to Florida children who had never seen snow before.

Thursday, December 5, 1901
In an upstairs bedroom of 2156 North Tripp Avenue, Walt Disney was born.

Thursday, May 19, 1994
John Wayne Gacy confessed to killing 33 young boys between 1972 and 1978. All 33 murders took place in his home. Gacy was executed on May 19, 1994 at Statesville Prison in Joliet. His last meal was fried chicken and butterfly shrimp.