In Syria, a country that continues to enjoy a difficult relationship with present-day Turkey, masses were held in Damascus and Aleppo.
Syrian Armenian scouts carry a Syrian and an Armenian national flags as they march in the old city of Damascus, April 23, 2015, to mark the 100th anniversary of the mass killing of Armenians in the Ottoman Empire in 1915. Picture taken April 23, 2015. (Reuters/Omar Sanadiki)