Old Church Slavonic
|Old Church Slavonic|
|Native to||formerly in Slavic areas, under the influence of Byzantium (both Catholic and Orthodox)|
|Era||9th–11th centuries; then evolved into several variants of Church Slavonic|
|Writing system||Glagolitic, Cyrillic|
|ISO 639-1||cu (with Church Slavonic)|
|ISO 639-3||chu (with Church Slavonic)|
Old Church Slavonic is the language of some Eastern Orthodox churches. It was the first Slavic language for writing literature. It was made by the brothers Saints Cyril and Methodius in the 9th century.