Capture of Bilecik
Ottoman tradition places the capture of Bilecik during Osman's westward expansion toward Bithynia.
Permanent historical records · Updated 2026-11-03
1299 in Turkey
Explore 4 historical events and records for Turkey in 1299.
Historical records for Turkey in 1299
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Other events (month unknown)
Capture of Yarhisar
Ottoman tradition places Yarhisar among the Byzantine strongholds brought under Osman's control during his expansion toward Bilecik and Yenisehir.
Subjugation of Kopruhisar
Ottoman tradition records Osman bringing Kopruhisar under his authority before directing operations toward Nicaea.
Yenisehir Frontier Base
Osman established Yenisehir as an advanced base for raids into Byzantine Bithynia.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.