863

Events in 863 1

• 863 – 885 Conversion of the Slavs -- Cyril and Methodius The missionaries Cyril and Methodius, sent by Constantinople to the Slavic peoples, invent the Glagolitic alphabet (precursor of Cyrillic) to write the Slavic languages and translate the Gospels. Their mission converts Bulgaria, Serbia, Moravia and eventually Russia to Orthodox Christianity, creating the cultural sphere of Eastern Orthodox civilisation that endures to the present day.