Contrary to popular belief, the main deity of the ancient Slavs was not the famous thunderer Perun! The most revered and well-known deities in Rus' were the gods and goddesses of the Sun! This renowned study, written at the end of the 19th century, remains the best book on the cult of the Slavic solar deities. Drawing on extensive historical and folkloric material, the author irrefutably proves that the solar cult of our ancestors had a much more ancient origin than the cult of thunder and lightning. On the pages of this book, you will not only become familiar in detail with the origin and development of solar beliefs among our ancestors, their system of solar mythology, but you will also be able to understand how they envisioned the solar deities themselves and how they celebrated the holidays and rituals dedicated to them.