of Palestine Campaign Library of Congress's American Colony in Jerusalem's Photo Album Ottoman Empire in World War I British Empire in World War I German Empire in World War I Egypt in World War I Austria-Hungary in World War I Middle Eastern theatre of World War I Sinai and Palestine Military campaigns and theatres of World War I involving Australia Military history of Italy during World War I Conflicts in 1915 Conflicts in 1916 Conflicts in 1917 Conflicts in 1918 1915 in Egypt 1916 in Egypt 1917 in British-administered Palestine 1918 in British-administered Palestine 1918 in Ottoman Syria 1918 in Mandatory Syria Battles of the Sinai and Palestine Campaign History of the Royal Air Force during World War I