January 31 β February 2, 2011 North American winter storm
Chicago's Midway International Airport closes due to the snow with 1,300 flights cancelled at O'Hare Airport.
Sources: Chicago Sun Times
Sources: Chicago Sun Times
Protests break out in Chicago, Illinois, at the Chicago Loop in opposition to Israel's occupation.
A shooting takes place at Mercy Hospital in Chicago, leaving four dead, including the gunman.
The Rim Fire near Yosemite National Park is now estimated to have grown to the size of Chicago.
Teachers in Chicago go on strike. Around 350,000 students are affected.
A 3.8-magnitude earthquake strikes near Chicago, United States. No reports of major damage.