Keywords: Judaism Relations ; Islam ; Islam Relations ; Judaism ; Ethnic conflict History 19th century ; Ethnic conflict History 20th century ; Jewry ; Ethnic conflict History ; 19th century ; Ottoman Empire ; Ethnic conflict History ; 20th century ; Ottoman Empire ; Jewry Ottoman Empire ; Ottoman Empire Ethnic relations 20th century ; History ; Ottoman Empire Ethnic relations 19th century ; History ; Jewry First World War ; Ottoman Empire Ethnic relations ; History ; 19th century ; Ottoman Empire Ethnic relations ; History ; 20th century ; Ottoman Empire First World War ; Deutschland ; Österreich-Ungarn ; Osmanisches Reich ; Minderheitenfrage ; Osmanisches Reich ; Minderheitenfrage ; Erster Weltkrieg ; Juden ; Muslim ; Islam ; Geschichte 1800-1950