Capture of Karacahisar
· Karacahisar Castle, Odunpazarı, Eskişehir Province, Türkiye
Wikimedia Commons · CC BY-SA 3.0 · file Osman took Karacahisar and made it a center of his frontier beylik, a consequential advance toward control of the Eskişehir region. The conquest date is disputed; the source associates Osman's regional dominance with 1288, while other scholarship allows a broader late-thirteenth- or early-fourteenth-century range.
