Editing List of Roman emperors (section)

=== Constantinian dynasty (306–363) ===
{{Main|Constantinian dynasty}}
{{Legend|#EBEBEB|({{Hash-tag}}) – Ambiguous legitimacy{{Efn|name=ambig}}}}

{| class="wikitable plainrowheaders" style="width:100%; text-align:center"
|+ {{Sronly|Constantinian dynasty}}
! scope=col width="7%" | Portrait
! scope=col width="16%" | Name
! scope=col width="24%" | Reign
! scope=col width="23%" | Succession
! scope=col width="30%" | Life details

|-
| [[File:Constantine Chiaramonti Inv1749 (cropped).jpg|100px|alt=bust]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Constantine the Great|Constantine I]]'''<br/ >"the Great"<br/>{{Small|''Flavius Valerius Constantinus''}}
| 25 July 306 – 22 May 337<br/>{{Small|({{Age in years, months and days|306|7|25|337|5|22}})<br/>'''West'''; then '''whole'''}}
| Son of Constantius I, acclaimed by his father's troops as ''augustus''. Accepted as ''caesar'' by Galerius, promoted to ''augustus'' in 307 by Maximian, refused demotion to ''caesar'' in 309
| 27 February 272/273 – 22 May 337<br/>{{Small|(aged 64/65)}}<hr/>First Christian emperor and founder of [[Constantinople]]. Sole ruler of the Empire after defeating [[Maxentius]] in 312 and [[Licinius]] in 324. Died of natural causes{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1pp=286–288|2a1=Barnes|2pp=5–8, 39–42|3a1=Grant|3pp=228–231, 234}}

|-
| [[File:Campidoglio, Roma - Costantino II cesare dettaglio (cropped).jpg|100px|alt=statue]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Constantine II (emperor)|Constantine II]]'''<br/>{{Small|''Flavius Claudius Constantinus''}}
| 9 September 337 – April 340<br/>{{Small|(2 years and 7 months; '''West''')}}
| Son of Constantine I
|{{Circa}} February 316 – April 340<br/>{{Small|(aged 24)}}<hr/>Ruled the [[praetorian prefecture of Gaul]]. Killed in an ambush during a war against his brother, Constans I{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1p=296|2a1=Barnes|2pp=8, 44–45|3a1=Grant|3p=241}}

|-
| [[File:Constant head.jpg|100px|alt=bust]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Constans I]]'''<br/>{{Small|''Flavius Julius Constans''}}
| 9 September 337 – January 350<br/>{{Small|(12 years and 4 months; '''Middle''' then '''West''')}}
| Son of Constantine I
| 322/323 – January/February 350<br/>{{Small|(aged&nbsp;27)}}<hr/>Ruled Italy, Illyricum and Africa initially, then the western empire after Constantine II's death. Overthrown and killed by [[Magnentius]]{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1p=298|2a1=Barnes|2pp=8, 45}}

|-
| [[File:Bust of Constantius II (Mary Harrsch) (cropped).jpg|100px|alt=bust]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Constantius II]]'''<br/>{{Small|''Flavius Julius Constantius''}}
| 9 September 337 – 3 November 361<br/>{{Small|({{Age in years, months and days|337|9|9|361|11|3}})<br/>'''East'''; then '''whole'''}}
| Son of Constantine I
| 7 August 317 – 3 November 361<br/>{{Small|(aged 44)}}<hr/>Ruled the east initially, then the whole empire after the death of [[Magnentius]]. Died of a fever shortly after planning to fight a war against [[Julian (emperor)|Julian]]{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1pp=300–301|2a1=Grant|2pp=242–244}}

|-
! colspan=5 | &nbsp;

|-
| style="background:#EBEBEB" | [[File:Medallion of Magnentius.png|100px|alt=coin]]
! scope=row style="text-align:center; background:#EBEBEB" | '''[[Magnentius]]''' ({{Hash-tag}})<br/>{{Small|''Magnus Magnentius''}}
| style="background:#EBEBEB" | 18 January 350 – 10 August 353<br/>{{Small|({{Age in years, months and days|350|1|18|353|8|10}}; '''West''')}}
| style="background:#EBEBEB" | Proclaimed emperor by the troops, in opposition to Constans I
| style="background:#EBEBEB" | c. 303 – 10 August 353<br/>{{Small|(aged approx. 50)}}<hr/>Committed suicide after losing the [[Battle of Mons Seleucus]]{{Sfnm|1a1=PLRE|2a1=Grant|1loc=Vol. I, p. 532|3a1=Kienast|3pp=305–306|2pp=248–250|3a2=Eck|3a3=Heil}}

|-
! colspan=5 | &nbsp;

|-
| [[File:Vetranio coin (transparent background).png|100px|alt=coin]]
| style="text-align:center" | '''[[Vetranio]]'''
| 1 March – 25 December 350<br/>{{Small|({{Age in years, months and days|350|3|1|350|12|25}}; '''West''')}}
| General of Constans in Illyricum, acclaimed by the Illyrian legions at the expense of Magnentius, briefly recognized by Constantius II{{Efn|Although technically recognized by Constantius II, who even sent him the imperial [[diadem]], Vetranio is often regarded as a usurper.{{Sfnm|1a1=Grant|1p=249|2a1=Kienast|2a2=Eck|2a3=Heil|2p=307|3a1=Meijer|3y=2004|3p=127–128}} }}
| Unknown – c. 356<hr/>Abdicated in Constantius II's favor, retired, and died 6 years later{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1p=307|2a1=PLRE|2loc=Vol. I, p. 954|3a1=Omissi|3y=2018|3pp=181–182}}

|-
! colspan=5 | &nbsp;

|-
| style="background:#EBEBEB" | [[File:Coin of Nepotian.png|100px|alt=coin]]
! scope=row style="text-align:center; background:#EBEBEB" | '''[[Nepotianus]]''' ({{Hash-tag}})<br/>{{Small|''Julius Nepotianus''}}
| style="background:#EBEBEB" | 3 June – 30 June 350<br/>{{Small|({{Age in years, months and days|350|6|3|350|6|30}}; '''West''')}}
| style="background:#EBEBEB" | Son of [[Eutropia (sister of Constantine I)|Eutropia]], a daughter of Constantius&nbsp;I. Proclaimed emperor in Rome in opposition to Magnentius 
| style="background:#EBEBEB" | Unknown – 30 June 350<hr/>Captured and executed by supporters of Magnentius{{Sfnm|1a1=PLRE|1loc=Vol. I, pp. 624|2a1=Kienast|2a2=Eck|2a3=Heil|2p=306}}

|-
! colspan=5 | &nbsp;

|-
| [[File:Juliancng8851obverse.jpg|100px|alt=coin]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Julian (emperor)|Julian]]''' "the Apostate"<br/>{{Small|''Flavius Claudius Julianus''}}
| 3 November 361 – 26 June 363<br/>{{Small|({{Age in years, months and days|361|11|3|363|6|26}})}}
| Cousin and heir of Constantius II, acclaimed by the Gallic army around February 360; entered Constantinople on 11 December 361
| 331 – 26 June 363<br/>{{Small|(aged 32)}}<hr/>Last non-Christian emperor. Mortally wounded during a [[Julian's Persian expedition|campaign against Persia]]{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1pp=309–310|2a1=Grant|2pp=251–253}}

|-
! colspan=5 | &nbsp;

|-
| [[File:Solidus of Jovian2 (obverse).jpg|100px|alt=coin]]
! scope=row style="text-align:center; background:#F8F9FA" | '''[[Jovian (emperor)|Jovian]]'''<br/>{{Small|''Jovianus''}}{{Efn|From the fourth century, emperors and other high-profile men of non-aristocratic birth often bore the name "Flavius", the family name of the Constantinian dynasty. Because it was often used as a status marker rather than personal name,{{Sfn|Cameron|1988|pp=26, 28, 33}} "Flavius" will generally be omitted in the following entries for simplicity.}}
| 27 June 363 – 17 February 364<br/>{{Small|({{Age in years, months and days|363|6|27|364|2|17}})}}
| Commander of imperial household guard; acclaimed by the army after Julian's death
| 330/331 – 17 February 364<br/>{{Small|(aged 33)}}<hr/>Died before reaching the capital, possibly due to inhaling toxic fumes or [[indigestion]]. Last emperor to rule the whole Empire during their entire reign{{Sfnm|1a1=Kienast|1a2=Eck|1a3=Heil|1p=312|2a1=Grant|2pp=255–258|3a1=PLRE|3loc=Vol. I, p. 461}}
|}