Authority control
English: Osman I (12581326) (Ottoman: عثمان بن أرطغرل, Turkish:Osman Gazi or Osman Bey or I.Osman or Osman Sayed II) was the leader of the Ottoman Turks, and the founder of the dynasty that established and ruled the Ottoman Empire. The Empire, named for him, would prevail as a regional powerhouse for over six centuries.