found: Encyc. Brit., 11th ed.:v. 20, p. 351 (Osman (ʻUṣman) the usual form of the Arabic name Óthmān) v. 27, p. 450 (Osman II, 1618-1622; in 1617 the Sultan died and was succeeded by his brother Mustafa, but his brother Osman took his place on the throne; Janissaries rose and dethroned him soon afterwards, putting him to death); 15th ed. (Osman II, b. 1603, d. 1622; ruled 1618-1622)
found: NUC pre-56(Osman II, Sultan of Turkey, 1603-1622)
found: Encyc. Amer., 1987(Osman II, 1604-1622, Ottoman sultan)
found: Osman, 1991:t.p. (Osman) p. viii (in 1621 young sultan Osman with the Turkish Army was defeated by the Polish Army at the battle of Chocim; next year in May murdered by Janissaries)
found: Encikl. Leks. zav., 1966-1969:v. 4, p. 688 (Osman II, Sultan of the Turks (ca. 1604-1622, reigning from 1618, killed after the battle of Chocim in May 1622)
found: Britannica online, February 2, 2017(Osman II; Ottoman sultan; Osman II, also called Genç Osman ("Young Osman") (born November 15, 1603, Constantinople, Ottoman Empire [now Istanbul, Turkey]--died May 20, 1622, Constantinople), Ottoman sultan who came to the throne as an active and intelligent boy of 14 and who during his short rule (1618-22) understood the need for reform within the empire)
found: Wikipedia, February 2, 2017(Osman II (Ottoman Turkish: عثمان ثانى = Osman Sani; ʻOsmān-i sānī [in roman]; November 3, 1604-May 20, 1622), commonly known in Turkey as Genç Osman ("Osman the Young" in English), was the Sultan of the Ottoman Empire from 1618 until his death by regicide on 20 May 1622; born at Topkapı Palace, Constantinople, the son of Sultan Ahmed I (1603-17) and his first wife Mahfiruz Hatun; died Yedikule Fortress, Istanbul, Ottoman Empire; reign: 26 February 1618-20 May 1622)
