Iraqi Christians, who fled the violence in the northern Iraqi city of Mosul, attend a mass on May 31, 2015 in Arbil, Iraq. (SAFIN HAMED/AFP/Getty Images)
Displaced Assyrians at the Ibrahim-al Khalil Melkite Greek Catholic church in the Jaramana district on the outskirts of the capital Damascus on March 1, 2015. (LOUAI BESHARA/AFP/Getty Images)
An Egyptian Christian mourns following a New Year's Eve car bomb attack on the Coptic church in Alexandria in which 21 people were killed, on January 2, 2011 outside the Al-Qiddissine (The Saints) church. (MOHAMMED ABED/AFP/Getty Images)
Armenians at the genocide monument to their kin killed by Ottoman Turks during World War I in Yerevan late in on April 23, 2012. (KAREN MINASYAN/AFP/Getty Images)