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Dalmatius Caesar
(335-337 A.D)

Michael DiMaio, Jr.

Salve Regina University

Coin with the image of DalmatiusCaesar (c)1998 CGB numismatique, Paris

Dalmatius, whose full name was Flavius Dalmatius or Delmatius, was the son of Dalmatius the Censor, the brother of Flavius Hannibalianus, and the nephew of Constantine I . He and his brother Hannibalianus were educated at Tolosa (Toulouse) by the rhetor Exsuperius. On 19 September 335, he was raised to the purple with the rank of Caesar by his uncle the Emperor Constantine I ; his realm included Thrace, Achaea, and Macedon. In the late summer of 337, Dalmatius was murdered by the soldiery, perhaps as part of the purge of the imperial family that followed the death of Constantine I in May 337.


Barnes, T.D., Constantine and Eusebius, (Cambridge, 1981), 251-252, 261-262.

________. New Empire of Diocletian and Constantine, (Cambridge, 1982), 45.

DiMaio, Michael and Arnold, Duane. "Per Vim, Per Caedem, Per Bellum: A Study of Murder and Ecclesiastical Politics in the Year 337 A.D." Byzantion 62(1992): 158ff.

Jones, A.H.M., J.R. Martindale, and J. Morris. "Fl.Dalmatius 6." The Prosopography of the Later Roman Empire, (Cambridge, 1971), 1.241.

Kienast, Dietmar. Römische Kaisertabelle: Grundzüge einer römischen Kaiserchronologie, (Darmstadt, 1990), 303.

König, I. Origo Constantini: Anonymus Valesianus. (Trier, 1987), 181ff.

Seeck, O."Delmatius (3)." RE 4.2: col. 2456ff.

Copyright (C) 1996, Michael DiMaio, Jr.. This file may be copied on the condition that the entire contents, including the header and this copyright notice, remain intact.

Comments to: Michael DiMaio, Jr..

Updated: 15 November 1996

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