Category:Built in Illinois in 1844
- States of the United States
- Alabama
- California
- Connecticut
- Delaware
- Hawaii
- Illinois
- Indiana
- Iowa
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Mississippi
- Missouri
- New Hampshire
- New Jersey
- New York
- North Carolina
- Ohio
- Oklahoma
- Pennsylvania
- Rhode Island
- South Carolina
- Texas
- Virginia
- Wisconsin
- District of Columbia
- Washington, D.C.
- Insular areas
- Puerto Rico
- Minor Outlying Islands
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Subcategories
This category has the following 3 subcategories, out of 3 total.