Year 544 (DXLIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 544 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.
King Khosrau I unsuccessfully attacks the Byzantine fortress city of Dara. The siege of Edessa is repulsed, and the Persians are forced into a stalemate.
Battle of Cillium: A medium-sized Byzantine army under Solomon is defeated by the Moors on the border of Numidia. Solomon and his bodyguard are forced to retreat and are later killed.[2][3][4]
Asia
February – Lý Bí is declared emperor and establishes the empire Van Xuân (modern Vietnam). His armies repel attacks from the kingdom of Champa.
October – The Liang dynasty retaliates against Van Xuân, and sends an imperial army (120,000 men) under Chen Baxian to re-occupy the region.
Martindale, John Robert; Jones, Arnold Hugh Martin; Morris, J., eds. (1992). The Prosopography of the Later Roman Empire, Volume III: A.D. 527–641. Cambridge: Cambridge University Press. ISBN 978-0-521-20160-5.
Bury, John Bagnell (1958). History of the Later Roman Empire: From the Death of Theodosius I to the Death of Justinian, Volume 2. Mineola, New York: Dover Publications, Inc. ISBN 0-486-20399-9.
