Establishment of Ottoman State
- Osman Gazi's father, Ertuğrul Gazi, died in 1281. Osman Gazi then became the leader of the Ottomans, named after him, and founded the Ottoman Empire in Bilecik, Anatolia in 1299.
- Osman Gazi was initially a peaceful leader. But, Anatolian Turkish Beyliks fought with each other. The Ottomans attacked Karesiogullari Beylic and won, thus gaining the armada of Karesiogulları Beylic.
- The Ottomans next made war with the Byzantine Empire in 1302 and captured a few Byzantine castles and cities.
- Osman Gazi died in 1324, and his son, Orhan Gazi became sultan.
- Orhan captured Bursa from the Byzantine Empire in 1326.
- He then captured the Kocaeli peninsula in 1329 and the Çimpe Castle, Rumelian in 1353, steadily gaining power.
- Murat captured Edirne, Rumelian in 1362 and made it the the capital of the Ottoman State.
- The Crusader army came in 1364, but were defeated by the Ottomans, who captured more Rumelian castles and cities.
- The Ottomans entered the Balkans, again facing the Crusaders, who attacked Ottoman cities in the Balkans, including Kosovo, in 1389. The Ottomans won, but Murat was killed.
- His son, Yıldırım Bayezid then became Sultan of the Ottoman State. By this time, the Ottomans were the strongest state in Anatolia and the Balkans.
Note:Some errors on en. wikipedia about Ottoman Empire pages