en 546

546 in various calendars
Gregorian calendar	546; DXLVI
Ab urbe condita	1299
Assyrian calendar	5296
Balinese saka calendar	467–468
Bengali calendar	−48 – −47
Berber calendar	1496
Buddhist calendar	1090
Burmese calendar	−92
Byzantine calendar	6054–6055
Chinese calendar	乙丑年 (Wood Ox); 3243 or 3036; — to —; 丙寅年 (Fire Tiger); 3244 or 3037
Coptic calendar	262–263
Discordian calendar	1712
Ethiopian calendar	538–539
Hebrew calendar	4306–4307
Hindu calendars
- Vikram Samvat	602–603
- Shaka Samvat	467–468
- Kali Yuga	3646–3647
Holocene calendar	10546
Iranian calendar	76 BP – 75 BP
Islamic calendar	78 BH – 77 BH
Javanese calendar	434–435
Julian calendar	546; DXLVI
Korean calendar	2879
Minguo calendar	1366 before ROC; 民前1366年
Nanakshahi calendar	−922
Seleucid era	857/858 AG
Thai solar calendar	1088–1089
Tibetan calendar	阴木牛年; (female Wood-Ox); 672 or 291 or −481; — to —; 阳火虎年; (male Fire-Tiger); 673 or 292 or −480

Millennium:	1st millennium
Centuries:	5th century; 6th century ; 7th century;
Decades:	520s; 530s; 540s ; 550s; 560s;
Years:	543; 544; 545; 546 ; 547; 548; 549;

Year 546 (DXLVI) was a common year starting on Monday of the Julian calendar. The denomination 546 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

December 17 – Sack of Rome: After almost a year's siege, the capture of a grain fleet sent by the exiled Pope Vigilius near the mouth of the Tiber, and failure of troops of the Byzantine Empire under Belisarius to relieve the city, the Ostrogoths under King Totila plunder Rome and destroy its fortifications.^[1] He then withdraws to Apulia (Southern Italy).
Winter – Pope Vigilius arrives in Constantinople, to meet with Emperor Justinian I. The future Pope Pelagius is sent by Totila to negotiate with Justinian.

Audoin murders and succeeds Walthari as king of the Lombards.
Audoin receives subsidies from Justinian I, to encourage him to battle the Gepids in the Carpathian Mountains.
Audoin leads the Lombards across the Danube into Pannonia, and becomes an ally of the Byzantines.

May 5 – After a victory by Calakmul during the First Tikal-Calakmul War, Aj Wosal Chan K'inich is installed as the new ruler of the Mayan city state of Naranjo in Guatemala and reigns until his death in 615.

The Basilica of San Vitale (Ravenna) is completed by bishop Maximianus, during the Byzantine Exarchate of Ravenna.
Approximate date – The Diocese of Bangor is established in the Welsh kingdom of Gwynedd, with Deiniol consecrated as first bishop.