123 E First Street

Historical marker location:

119 E 1st St, O'Fallon, Illinois

( Marker is on East 1st Street, 0.1 miles east of South Lincoln Avenue, on the right when traveling east.)

Marker installed: 2009

Main Street O'Fallon Landmark Award. Presented 2009.

The world's first skyscraper, the Home Insurance Building, was built in Chicago in 1884. It was only 10 stories tall, but it was the first building to use a steel frame to support its weight, which allowed it to be much taller than traditional buildings made of brick or stone.