Mecca assigned the task of bringing Mecca back under Ottoman control to their powerful "Khedive" (viceroy) of Egypt, Muhammad Ali Pasha. Muhammad Ali Pasha successfully returned Mecca to Ottoman control in 1813. In 1818, followers of the Salafi juristic school were again defeated, but some of the Al Saud clan survived and founded the Second Saudi State that lasted until 1891 and led on to the present country of Saudi Arabia. Mecca was regularly hit by cholera outbreaks. Between 1830 and 1930 cholera broke out among pilgrims at Mecca 27 times. One of the world travelers to Mecca in the fifteenth
Mecca failures of crowd control because of the large numbers of people who come to make the Hajj. For example, on 2 July 1990, a pilgrimage to Mecca ended in tragedy when the ventilation system failed in a crowded pedestrian tunnel and 1,426 people were either suffocated or trampled to death in a stampede. On 24 September 2015, 700 pilgrims were killed in a stampede at Mina during the stoning-the-Devil ritual at Jamarat. Mecca is at an elevation of above sea level, and approximately inland from the Red Sea. Central Mecca lies in a corridor between mountains, which is often called