Medieval Slavic refers to the various Slavic cultures and languages that developed in Europe during the Middle Ages, roughly from the 5th to the 15th centuries. This period saw the emergence of distinct Slavic groups, such as the East Slavs, West Slavs, and South Slavs, each with their own languages and traditions. The spread of Christianity significantly influenced these cultures, leading to the establishment of early states like Kievan Rus. The Medieval Slavic era was marked by the creation of important literary works, such as the Primary Chronicle, which documented the history of the Slavs. Additionally, the development of the Cyrillic alphabet by Saints Cyril and Methodius played a crucial role in promoting literacy and education among Slavic peoples. This period laid the foundation for the rich cultural heritage of modern Slavic nations.