This is a list of the Indiana state historical markers in Allen County.
This is intended to be a complete list of the official state historical markers placed in Allen County, Indiana, United States by the Indiana Historical Bureau. The locations of the historical markers and their latitude and longitude coordinates are included below when available, along with their names, years of placement, and topics as recorded by the Historical Bureau. There are 5 historical markers located in Allen County.[1]
| Marker title | Image | Year placed | Location | Topics | |
|---|---|---|---|---|---|
| Camp Allen, 1861-64[2] | 1963 | Southeastern corner of the junction of Center and Huron Streets at a playground entrance in Fort Wayne 41.0764°N -85.1581°W | Military | ||
| Home of Philo T. Farnsworth[3] | 1992 | St. Joseph and E. State Boulevards in Fort Wayne 41.0964°N -85.13°W | Science, Medicine, and Inventions, Arts and Culture, Newspapers and Media | ||
| Wabash and Erie Canal Groundbreaking[4] | 1992 | 1716 W. Main Street in Fort Wayne 41.0789°N -85.1647°W | Business, Industry, and Labor, Transportation | ||
| Fort Miamis[5] | 2000 | Southwestern corner of the Van Buren Street Bridge and the St. Marys River boat ramp in Guldin Park along Michaels Avenue in Fort Wayne 41.0811°N -85.1511°W | Early Settlement and Exploration, Military | ||
| Gronauer Lock No. 2[6] | 2003 | U.S. Route 24 just beyond the eastern interchange of the Interstate 469 bypass near New Haven 41.0856°N -84.99°W | Transportation, Business, Industry, and Labor |