Can you guess the mystery North Side location in this 1955 photo? It was taken somewhere north of North Avenue and east of the Chicago River.

This Sunday is Mother’s Day. Chicago first celebrated the holiday 103 years ago Wednesday–May 9, 1909.

Haymarket Square was located on Randolph Street just east of Halsted, about where the Kennedy now comes through. On this date in 1886, the site became infamous.

Before Barack Obama, only one U.S. President has called Chicago home. As a boy, Ronald Reagan lived on the first floor of a building in Hyde Park.

On May 1, 1893, the World's Columbian Exposition opened in Jackson Park. Its musical star was Ignacy Jan Paderewski, a Polish-born pianist and the world's most famous musician.

Thirty-five years ago today, Skokie officials were in court. They were trying to prevent Nazis from holding a rally in their village.

Irving Park Road follows the general line of a local portage, which is the soggy land between two rivers. So when a park was planned for Irving Park and Central in 1912, it was called Portage Park. That’s also the name of the neighborhood around it, Community Area 15.