Unforgettable May Moments

In the month of May, the Indiana Territory is approved, a bomb explodes at Haymarket, Century of Progress opens, single atom is discovered, child labor laws are passed, AA flight 191 crashes, Lincoln is nominated for President, Illinois State Historical Society is created, Columbian Exposition opens, Gwendolyn Brooks wins Pulitzer, Land of Lincoln slogan becomes law, Sears Tower is the tallest, State of Illinois building gets new name.