Serbian Cyrillic alphabet 2014 survey, 47% of the Serbian population write in the Latin alphabet whereas 36% write in Cyrillic. The following table provides the upper and lower case forms of the Serbian Cyrillic alphabet, along with the equivalent forms in the Gaj's Latin alphabet and the International Phonetic Alphabet (IPA) value for each letter: According to tradition, Glagolitic was invented by the Byzantine Christian missionaries and brothers Cyril and Methodius in the 860s, amid the Christianization of the Slavs. Glagolitic appears to be older, predating the introduction of Christianity, only formalized by Cyril and expanded to cover non-Greek sounds. Cyrillic was created
Saints Cyril and Methodius Saints Cyril and Methodius Saints Cyril and Methodius (826–869, 815–885; ("Kýrillos kaí Methódios"), Old Church Slavonic: Кѷриллъ и Меѳодїи) were two brothers who were Byzantine Christian theologians and Christian missionaries. Through their work they influenced the cultural development of all Slavs, for which they received the title ""Apostles to the Slavs"". They are credited with devising the Glagolitic alphabet, the first alphabet used to transcribe Old Church Slavonic. After their deaths, their pupils continued their missionary work among other Slavs. Both brothers are venerated in the Orthodox Church as saints with the title of ""equal-to-apostles"". In 1880, Pope Leo XIII