Turkey - Adana - The French Jesuit Mission - destroyed on 26th April 1909. The Adana massacre occurred in Adana Province, in the Ottoman Empire, in April 1909. A religious-ethnic clash in the city of Adana amidst governmental upheaval, resulted in a series of anti-Armenian pogroms throughout the district. Reports estimated that the massacres in Adana Province resulted in 15,000 to 30,000 deaths. Turkish and Armenian revolutionary groups had worked together to secure the restoration of constitutional rule in 1908. On 31 March (or 13 April, by the Western calendar) a military revolt directed against the Committee of Union and Progress seized Istanbul. While the revolt lasted only ten days, it precipitated a massacre of Armenians in the province of Adana that lasted over a month.