It is a truth universally acknowledged that royal depositions must, sooner or later, be in want of a regicide. The first in the history of the Ottoman Empire occurred on Friday 20 May 1622, with the death of Osman II, son of Ahmed I. Known as Osman the Young, he had ascended the throne in 1618 at the age of 14, following the coup that deposed Mustafa I, his uncle, for the first time. In 1622, aged 17, he had still not succeeded in legitimising himself as a conqueror of territory and so sought to cultivate the role of a pious sultan instead