The Ottoman dynasty was a powerful ruling family that established the Ottoman Empire, which lasted from the late 13th century until the early 20th century. Founded by Osman I, the dynasty expanded its territory across three continents, including parts of Europe, Asia, and Africa, becoming one of the most influential empires in history. The dynasty is known for its rich cultural contributions, including advancements in architecture, art, and science. The Sultan was the head of the dynasty, with notable rulers like Suleiman the Magnificent overseeing a golden age of prosperity and cultural flourishing before the empire's decline and eventual dissolution after World War I.