Slavic Christianity refers to the spread of Christianity among the Slavic peoples of Eastern Europe, primarily during the 9th and 10th centuries. The two main branches of Slavic Christianity are Eastern Orthodoxy and Roman Catholicism, which developed as different regions adopted Christianity through various missions and influences. Notably, the Byzantine Empire played a significant role in the conversion of the Slavs, particularly through the efforts of missionaries like Saints Cyril and Methodius. The adoption of Christianity led to the development of unique Slavic cultures and traditions, as religious practices blended with local customs. The creation of the Cyrillic alphabet by Saints Cyril and Methodius facilitated the translation of religious texts, promoting literacy and education among the Slavic peoples. Today, Slavic Christianity continues to influence the cultural and spiritual life of many Eastern European nations.