Fourth Century Christianity

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).

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Principal Residences

Year	Location
285–296	Sirmium and Nicomedia
296–299	In Syria and Egypt
299–302	Antioch
302–305	Nicomedia

Attested Movements

Date	Event	Source
284, Nov. 20	Proclaimed emperor at Nicomedia	P. Beatty Panopolis 2.162, etc.; Lactantius, Mort. Pers. 17.1 (day); Zosimus 1.73.2 = John of Antioch, frag. 163 (place)
285, spring	Campaign against Carinus, ending in a battle near Viminacium	Victor, Caes. 39.11 ff.; Eutropius, Brev. 9.20.1/2; itinerarium Burdigalense p. 564.9 Wesseling
285, summer	Visit to Italy	RIC 5.2.241 no. 203 (Ticinum: ADVENTUS AUG); Zonaras 12.31 (alleges a visit to Rome)
285, Nov. 2	At Civitas Iovia (otherwise known as Botivo) and Sonista (on the road between Poetovio and Mursa)	CJ 4.48.5 (Atubino); Frag. Vat. 297 (Suneata)
285?, autumn	Campaign against the Sarmatians
286, Jan. 20–Mar. 3	At Nicomedia	CJ 4.21.6; 3.28.18 (Feb. 14); 7.35.2 (Feb. 15); Frag. Vat. 275 (Mar. 3); Chr. Pasch. 510/11 = Chr. Min. 1.229/30 (winter at Nicomedia)
286, Mar. 22	At Byzantium	Frag. Vat. 281
286, May 31–Aug. 31	At Tiberias	CJ 4.10.3 (May 31: one ms.); CJ 1.51.1? (July 14); 5.17.3 (Aug. 31)
286, Oct. 13	At Heraclea in Thrace	Frag. Vat. 284
287	Negotiates with Persian ambassadors, presumably in Syria, and installs Tiridates as ruler in Armenia	Pan. Lat. 10(2).7.5, 9.2, 10.6 f., 8(5).3.3, cf. ILS 618 (Pers(icus) max(imus) in 290)
287?	Fortifies Circesium and reorganizes the Syrian frontier	Ammianus 23.5.2
288	Campaign on the frontier of Raetia, and conference with Maximian	Pan. Lat. 10(2).9.1
289?, summer	Sarmatian campaign, defence of Dacia	Pan. Lat. 11(3).5.4, 7.1, 8(5).3.3
290, Jan. 11	At Sirmium	CJ 10.3.4
290, Feb. 27	At Adrianople	CJ 6.55.2
290, Apr. 3	At Byzantium	CJ 2.4.13
290, May 6	At Antioch	Frag. Vat. 276
290, May 10	At Emesa	CJ 9.41.9
290, May?/June?	Campagian against Saraceni	Pan. Lat. 11(3).5.4; 7.1
290, May 25	At Laodicea	CJ 6.15.2
290, summer	Returns from Syria to Pannonia	Pan. Lat. 11(3).4.2
290, July 1–Dec. 18	At Sirmium	CJ 6.30.6; 8.54(55).3 = Frag. Vat. 286 (Sept. 31); CJ 2.3.19 (Nov. 19), 2.28.1 (Nov. 22); 9.16.4(5) (Nov. 30); 3.28.19
290, late Dec., or 291, Jan.	Confers with Maximian in Milan	Pan. Lat. 11(3).8.1 ff.
291, May 13	At Sirmium	CJ 9.41.12
291, Dec. 4	At Oescus (mss. have Triballis)	CJ 8.47(48).5
293, Jan. 1–Feb. 26	At Sirmium	CJ, p. 495
293, Mar. 1	Invests Galerius with the purple, probably at Sirmium
293, Apr. 1	At Heraclea	CJ 8.55(56).4
293, Apr. 2–13	At Byzantium	CJ, p. 495
293, Apr. 15	At Melantias	CJ 4.49.7
293, Apr. 17–May 1	At Heraclea	CJ, p. 495
293, May 1	At Tzirallum (Tzurulon), near Heraclea	CJ 2.3.21, 5.3.8, 6.30.7, 6.53.6, 8.35(36).5
293, May 10–13	At Adrianople	CJ 7.16.16, 10.32(31).7, 8.13(14).16 (May 12), 8.50(51).10
293, May 17	At Beroea	CJ 5.24.1
293, May 25–June 17	At Philippopolis	CJ 2.17(18).3, 2.52(53).4 (May 25), 2.12(13).17 (June 5), 4.49.9, 7.67.1
293, June 21–28	At Serdica	CJ 8.44(45).21; Mos. et Rom. legum collatio 10.3 (June 24); CJ 5.16.18
293, July 2–15	At Philippopolis	CJ 9.33.5; 5.12.14 (July 4), 5.34.7, 6.23.12 (July 6), 6.49.3 (July 10), 8.15(16).6 (July 11), 5.16.19, 7.16.18
293, Aug. 8–Sept. 1	At Viminacium	CJ, p. 495
293, Sept. 11–294, May 1	At Sirmium	CJ, pp. 495/6
294, May 3	Near Sirmium	CJ 6.21.14
294, May 18–Aug. 20	At Sirmium	CJ 6.59.1, 9.12.4 (June 15; year emended from 293), 4.18.1 (June 25), 6.58.8 (July 7), 5.16.22 (Aug. 1), 6.24.10 (Aug. 17), 9.18.2
294, Sept. 8–12	At Singidunum	CJ 4.19.21, 9.20.12
294, Sept. 22	Demesso (mss.): not yet identified	CJ 2.12(13).20
294, Sept. 26–Oct. 1	At Viminacium	CJ, pp. 496/7
294, Oct. 5	At Cuppae	CJ 8.44(45).28
294, Oct. 8–10	At Ratiaria	CJ 4.33.5(4), 6.59.8, 7.60.3, 8.13(14).21
294, Oct. 11	At Cebrum	CJ 2.4.30
294, Oct. 13	At Varianae	CJ 2.3.6, 8.37(38).9
294, Oct. 17	At Appiaria	Mos. et Rom. legum collatio 10.5
294, Oct. 18	At Transmarisca	CJ 6.42.28
294, Oct. 21–22	At Durostorum	CJ 8.41(42).6, 9.22.20
294, Oct. 25	Reginassi (mss.); not yet identified	CJ 4.20.8, 4.21.10
294, Oct. 26	At Marcianopolis	Consultatio 6.17
294, Oct. 28	At Anchialos	CJ 5.12.24, 5.51.11, 6.50.17, 8.31(32).2, 8.47(48).9
294, Oct. 29	At Develtus	CJ 6.36.5, 8.50(51).17
294, Oct. 31	At Adrianople	CJ 8.42(43).20
294, Nov. 1–3	At Burtudizum	CJ 5.16.23, 2.3.28, 8.35(36).9
294, Nov. 5–8	At Heraclea	CJ 7.48.3, 5.18.10 (Nov. 7), 2.3.27, 7.35.6, 8.27(28).19; Frag. Vat. 325
294, Nov. 9	At Melantias	CJ 2.4.33(34); Frag. Vat. 314
294, Nov. 10	At Byzantium	CJ 2.4.31, 8.27(28).20
294, Nov. 11	At Pantichium	CJ 4.29.18, 5.12.25, 6.22.4
294, Nov. 15–Dec. 30	At Nicomedia	CJ, p. 497
295, Mar. 18	At Nicomedia	CJ 5.72.3
296, summer/autumn	Campaign against the Carpi	Pan. Lat. 8(5).5.2
296, late	Goes to Syrian frontier and campaigns against the Persians	P. Argent. 480, 1 verso 1 ff.
297, autumn–298, spring	Suppresses revolt in Egypt; long siege of Alexandria	Jerome, Chronicle 226; Eutropius, Brev. 9.22–23
298, May or June	Visits Oxyrhynchus and travels up the Nile	P. Oxy. 1416; P. Beatty Panopolis 1.375
298, summer	Reaches Elephantine and negotiates with Nobatae	Procopius, Bella 1.19.27 ff.; IGRR 1.1291 = Sammelbuch 8393
298, Sept.	Return northward expected at Panopolis	P. Beatty Panopolis 1, cf. Pan. Lat. 9(4).21.2
299, Feb. 5	At Antioch	CJ 8.53(54).24
299?, late winter	Goes to Mesopotamia	Eutropius, Brev. 9.25.2
299?, spring	Meets Galerius at Nisibis	Petrus Patricius, frag. 14
300, Feb. 12–301, July 4	At Antioch	CJ 9.21.1, 3.3.3 (Mar. 25), 7.22.2 (June 25), Malalas 310.7 ff. Bonn (300, July/Aug.); CJ 3.28.25 (301, July 4)
301/302	Visits Egypt	Chr. Min. 1.290; Chr. Pasch. 514 Bonn; Eusebius, VC 1.19 (journey through Palestine)
302, Mar. 31	At Alexandria	Mos. et Rom. legum collatio 15.3 (year not given)
302, autumn?	At Antioch	Eusebius, Mart. Pal. (L) 2.2 ff.
302, late	Goes to Bithynia for winter	Lactantius, Mort. Pers. 10.6
303, Jan. 6–Mar. 12	At Nicomedia	CJ 2.30(31).4; Lactantius, Mort. Pers. 10.6 ff.; Constantine, Oratio 25 (late Feb.); Eusebius, HE 8.5 (Feb. 23), 8.6.2, cf. PO 10.14 (Mar. 12)
303, June 8	At Durostorum	CJ 5.73.4
303, summer/autumn	Visits Sirmium?	Passio Quattuor Coronatorum 21 f.
303, before Nov. 20–Dec.	At Rome	Lactantius, Mort. Pers. 17.1 ff.
303, Dec. 20	Leaves Rome	Lactantius, Mort. Pers. 17.3
304, Jan. 1	At Ravenna	Lactantius, Mort. Pers. 17.3
304, summer	On the Danube; perhaps defeats the Carpi	Lactantius, Mort. Pers. 17.4; Tables 6, 7
304, Aug. 28–305, May 1	At Nicomedia	CJ 3.28.26; Lactantius, Mort. Pers. 17.4 ff.; Eutropius, Brev. 9.27.2; Jerome, Crhonicle 228; Epitome 39.5

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