366

366 in other calendars
Gregorian calendar	366; CCCLXVI
Ab urbe condita	1119
Assyrian calendar	5116
Balinese saka calendar	287–288
Bengali calendar	−227
Berber calendar	1316
Buddhist calendar	910
Burmese calendar	−272
Byzantine calendar	5874–5875
Chinese calendar	乙丑年 (Wood Ox); 3062 or 3002; — to —; 丙寅年 (Fire Tiger); 3063 or 3003
Coptic calendar	82–83
Discordian calendar	1532
Ethiopian calendar	358–359
Hebrew calendar	4126–4127
Hindu calendars
- Vikram Samvat	422–423
- Shaka Samvat	287–288
- Kali Yuga	3466–3467
Holocene calendar	10366
Iranian calendar	256 BP – 255 BP
Islamic calendar	264 BH – 263 BH
Javanese calendar	248–249
Julian calendar	366; CCCLXVI
Korean calendar	2699
Minguo calendar	1546 before ROC; 民前1546年
Nanakshahi calendar	−1102
Seleucid era	677/678 AG
Thai solar calendar	908–909
Tibetan calendar	阴木牛年; (female Wood-Ox); 492 or 111 or −661; — to —; 阳火虎年; (male Fire-Tiger); 493 or 112 or −660

Millennium:	1st millennium
Centuries:	3rd century – 4th century – 5th century
Decades:	330s 340s 350s – 360s – 370s 380s 390s
Years:	363 364 365 – 366 – 367 368 369

366 (CCCLXVI) was a common year starting on Sunday of the Julian calendar, the 366th year of the Common Era (CE) and Anno Domini (AD) designations, the 366th year of the 1st millennium, the 66th year of the 4th century, and the 7th year of the 360s decade. As of the start of 366, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.

Events

January 31 – Athanasius of Alexandria returns from his fifth exile.
April – Emperor Valens defeats the troops of Procopius in the Battle of Thyatira.
Valens builds a pontoon bridge across the Danube. This lets the Visigoths travel farther north.
The Tabula Peutingeriana, a map showing Roman places and roads, is made about this time.
October 1 – Damasus I becomes 37th pope.