The Fasti Sacri, Fasti Romani, and Fasti Hellenici are extensive chronologies of the ancient world specializing on sacred and secular literature, civil events, and military actions of the Mediterranean world. Each military campaign, literary piece, natural disaster, or other major event in the Mediterranean world is chronicled and links to the original primary source documents that mention it. Additionally, numerous chapters discuss the history of chronology in the ancient world, explaining the Jewish calendar, the Julian calendar, and other ancient systems of dating and chronology.