CC0 Usage Conditions ApplyClick for more information. This collection consists of four letters written by Armin Adolphus Kahler, an optical instrument maker residing in Washington, DC, during the time ...

While Holgreve helped to build some of the world’s first flying machines, another Ohio woman was essential to ensuring the planes would truly take off: the Wright brothers’ kid sister, Katharine. “She ...

In celebration of the anniversary of the Wilbur and Orville Wright's historic first flight in 1903, this fast-paced webcast gives students in sixth to eighth grades an introduction to the Wright ...

Ohio has more than 1,750 historical markers noting people, events and things to know about the state’s history. Nearly 250 of those are in the nine-county Dayton region. Today, we feature the marker ...