The tables below are reproductions of the charts found in chapter V of The New Empire of Diocletian and Constantine (Cambridge: Harvard University Press, 1982) by T.D. Barnes. Minor stylistic changes have been made to improve consistency.

The tables below are adapted and reproduced with permission from T.D. Barnes, The New Empire of Diocletian and Constantine (Cambridge: Harvard University Press, 1982).

Click here to access a downloadable pdf of this document.

Principal Residences

YearLocation
305–306Antioch
306–309Caesarea?
309–311Antioch
311–312Nicomedia
312–313Antioch

Attested Movements

DateEventSource
305, May 1Proclaimed Caesar at NicomediaLactantius, Mort. Pers. 19.1 ff.
305, May/June?Goes to the EastEusebius, HE 9.9a.2
305?, Nov. 5At Apollonopolis in the Thebaid?CJ 3.12.1
306, Nov. 20At Caesarea in PalestineEusebius, Mart. Pal. 6.1 ff.
307/8, winterAt CaesareaEusebius, Mart. Pal. (S) 7.7
308, spring or early summerAt CaesareaEusebius, Mart. Pal. (S) 8.3
310Campaign against the PersiansTables 6, 7; RIC 6.636, Antiochia 134 (IOVIO PROPAGAT ORBIS TERRARUM)
311, springIn Syria when he learns of Galerius’ deah (which occurred c. May 1)Lactantius, Mort. Pers. 36.1
311, early summerCrosses Asia Minor rapidly to Bithynia, and negotiates with Licinius at the BosporusLactantius, Mort. Pers. 36.1 ff.
311, summerReturns to Nicomedia and resides thereEusebius, HE 9.9a.4; cf. Lactantius, Mort. Pers. 36.3 ff.
312, Jan. 7At NicomediaEusebius, HE 9.6.3; Chr. Pasch. 519–520 (place and year); PO 10.12; Acta Sanctorum, Nov. 2.2 (Brussels, 1931), 29, cf. John Chrysostom, PG 50.519 ff. (day)
312?Visits Stratonicea in CariaSylloge 900
312, July/Aug.At AntiochMalalas 311.12 ff. Bonn, cf. Eusebius, HE 9.3 (undated)
312, autumnCampaign against the ArmeniansEusebius, HE 9.8.4; RIC 6.594?, Cyzicus 107 (VICTORIAE MAXIMINI AUG)
313, Feb.In SyriaLactantius, Mort. Pers. 45.2
313, late winter/springCrosses Asia Minor from Syria to BithyniaLactantius, Mort. Pers. 45.2
313, Apr.Captures ByzantiumLactantius, Mort. Pers. 45.4 f.
313, c. Apr. 20Advances to HeracleaLactantius, Mort. Pers. 45.5
313, Apr. 30Defeated near AdrianopleLactantius, Mort. Pers. 46.8 ff.
313, May 1Crosses the BosporusLactantius, Mort. Pers. 47.5
313, May 2At NicomediaLactantius, Mort. Pers. 47.5
313, MayFlees to CappadociaLactantius, Mort. Pers. 47.6
313, c. JulyKills himself at TarsusLactantius, Mort. Pers. 49.1 ff.; cf. P. Oxy. 3144; P. Cairo Isid. 103.20

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