Usman gazi saltanat flag

Osman Gazi, also known as Osman Bey or Osman I, was the founder of the Ottoman Empire. He was the son of Ertugrul Bey, the leader of the Kayi tribe of the Oghuz Turks. Osman Gazi began his military campaigns in the late 13th century and by the early 14th century he had established a powerful state in Anatolia. He and his descendants, known as the Ottoman Sultans, would go on to conquer much of the Middle East, North Africa, and Europe, creating one of the largest and longest-