The northern and eastern frontiers of the Roman Empire in the time of Constantine, with the territories acquired in the course of the thirty years of military campaigns between 306 and 337.
Year 324 (CCCXXIV) was a leap year starting on Wednesday in the Julian calendar. At the time, it was known as the Year of the Consulship of Crispus and Constantinus (or, less frequently, year 1077 Ab urbe condita). The denomination 324 for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for naming years.
June – The earliest known use of the Greek word monachós to refer to a monk is made in a petition filed in Egypt by a man named Aurelius Isidorus, a man from the town of Karanis in Egypt.[1]
November 8 – Emperor Constantine declares his son, Flavius Julius Constantius, to the rank of caesar, designating Flavius as his successor. Flavius will ascend the throne as Constantine the Second in 337 AD.[3]
December 19 – Licinius abdicates his position as Emperor. He is pardoned by Constantine I as a result of the supplication of his wife Constantia (who is Constantine's halfsister), and banished to Thessalonica as a private citizen.
(Date unknown) The Roman Emperor Constantine I seizes the Byzantine Empire's capital, Byzantium, and commences work on rebuilding the city as the Eastern Empire's capital, which he will inaugurate as Constantinople in 330.
Constantine reorganises the Roman army in smaller units classified into three grades: palatini, (imperial escort armies); comitatenses, (forces based in frontier provinces) and limitanei (auxilia border troops).[5]
China
August 9 – (guiyou day of the 7th month of the 2nd year of the Tai'ning era) In Jin dynasty China, the rebel warlord Wang Dun succumbs to illness as the armies of the Emperor Ming of Jin are approaching his camp.[6]
