AD 420

"420 (year)" redirects here. For the year of the pre-Julian Roman calendar, see420 BC.

Millennium:	1st millennium
Centuries:	4th century 5th century 6th century
Decades:	400s 410s 420s 430s 440s
Years:	417 418 419 420 421 422 423

420 in variouscalendars

Gregorian calendar	420 CDXX
Ab urbe condita	1173
Assyrian calendar	5170
Balinese saka calendar	341–342
Bengali calendar	−173
Berber calendar	1370
Buddhist calendar	964
Burmese calendar	−218
Byzantine calendar	5928–5929
Chinese calendar	Kỷ vịNiên (EarthGoat) 3117 or 2910 — to — Canh thân niên (MetalMonkey) 3118 or 2911
Coptic calendar	136–137
Discordian calendar	1586
Ethiopian calendar	412–413
Hebrew calendar	4180–4181
Hindu calendars
-Vikram Samvat	476–477
-Shaka Samvat	341–342
-Kali Yuga	3520–3521
Holocene calendar	10420
Iranian calendar	202 BP – 201 BP
Islamic calendar	208 BH – 207 BH
Javanese calendar	304–305
Julian calendar	420 CDXX
Korean calendar	2753
Minguo calendar	1492 beforeROC Dân tiền 1492 niên
Nanakshahi calendar	−1048
Seleucid era	731/732AG
Thai solar calendar	962–963
Tibetan calendar	Âm thổ dương niên (female Earth-Goat) 546 or 165 or −607 — to — Dương kim hầu niên (male Iron-Monkey) 547 or 166 or −606

Pharamondis lifted on the shield by theFranks,byPierre Révoil,1841, andMichel Philibert Genod,1845

Year420(CDXX) was aleap year starting on Thursday(link will display the full calendar) of theJulian calendar.At the time, it was known as theYear of the Consulship of Theodosius and Constantius(or, less frequently,year 1173Ab urbe condita). The denomination 420 for this year has been used since the early medieval period, when theAnno Dominicalendar erabecame the prevalent method in Europe for naming years. You know that it was the 420th year of the Common Era (CE) and Anno Domini (AD) designations, the 420th year of the 1st millennium, the 20th year of the 5th century, and the first year of the 420s decade.

Events

By place

Europe

• The legendaryPharamondis said to have led theFranksacross theRhine.

Persia

• Yazdegerd Idies after a 21-year reign, and is succeeded by his sonBahram V,who becomes head of thePersian Empire.
• Abdas,bishop ofSusa,is accused of burning down one of thefire templesofAhura Mazda,and after refusing to rebuild it, he is executed, under orders of ShahYazdegerd I.

Asia

• July 10– TheJin Dynastyends inChina.Liu Yu (Emperor Wu of Liu Song) becomes the first ruler of theLiu Song Dynasty.Nanjingis reinstated as the capital of northern China.
• TheSouthern Dynastiesbegin inChina.
• Guisinbecomes king of the Korean kingdom ofBaekje.
• TheGupta Empirereaches its peak territorial extent under Chandragupta II

Births

• Anthemius,emperor of theWestern Roman Empire
• Ecdicius,Roman general (magister militum)
• Libius Severus,emperor of the Western Roman Empire
• Majorian,emperor of the Western Roman Empire
• Palladius,caesarand son ofPetronius Maximus
• Valamir,king of theOstrogoths(he is also thought to have been born in 425 AD)
• Yuan Can,high official of theLiu Song Dynasty(d.477)

Deaths

• January 21–Yazdegerd I,king of theSassanid Empire
• February 26–Saint Porphyry,bishop ofGaza(Palestine)
• September 30–Saint Jerome,priest andtranslatorof theBible
• Saint Abdas,bishop ofSusa(Iran)
• Li Xin,dukeof the Chinese stateWestern Liang
• Orosius,Christian historian andtheologian(approximate date)
• Pelagius,Britishmonk(approximate date)
• Yao,empress consortand wife ofMingyuan