The document provides an overview of early Christianity and Byzantine art from the 4th century CE to the 13th century CE. It mentions the beginnings of Old St. Peter's Basilica in Rome in 333 CE and the basilica of Santa Constanza from 350 CE. Important artworks from this period included mosaics depicting wine making and biblical scenes. The document then discusses the rise of the Byzantine Empire and important artistic sites like Hagia Sophia and San Vitale that flourished during the reign of Justinian and Theodora in the 6th century CE, marking the first golden age of Byzantine art. A second golden age occurred later in the 13th century, as seen in the mosaics of