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Ottoman Expansion in Bithynia
In the 1330s, the Ottoman beylik under Orhan systematically advanced the conquest of Bithynia, taking Nicaea in 1331, then İnegöl, Yenişehir, and Nic…
Timeline
- 1331–1335Bithynian hinterland · BithyniaAfter the fall of Nicaea, the Ottomans advanced from Bursa toward surrounding towns, taking Yenişehir, İnegöl, and other Byzantine strongholds, consolidating control over the Bithynian hinterland.
- 1335–1339Nicomedia · BithyniaOttoman forces continued westward, targeting the major coastal city of Nicomedia. Its fall gave the Ottomans access to the sea, greatly enhancing their strategic position and placing direct pressure on the Byzantine capital, Constantinople.
Sources
- Osmanlı Devleti'nin Kuruluşu — Halil İnalcık (2009)
- The Ottoman Turks: An Introductory History to 1923 — Justin McCarthy (1997)