251

Millennium:	1st millennium
Centuries:	2nd century – 3rd century – 4th century
Decades:	220s  230s  240s  – 250s –  260s  270s  280s
Years:	248 249 250 – 251 – 252 253 254

251 in other calendars

Gregorian calendar	251 CCLI
Ab urbe condita	1004
Assyrian calendar	5001
Balinese saka calendar	172–173
Bengali calendar	−342
Berber calendar	1201
Buddhist calendar	795
Burmese calendar	−387
Byzantine calendar	5759–5760
Chinese calendar	庚午年 (Metal Horse) 2947 or 2887     — to — 辛未年 (Metal Goat) 2948 or 2888
Coptic calendar	−33 – −32
Discordian calendar	1417
Ethiopian calendar	243–244
Hebrew calendar	4011–4012
Hindu calendars
- Vikram Samvat	307–308
- Shaka Samvat	172–173
- Kali Yuga	3351–3352
Holocene calendar	10251
Iranian calendar	371 BP – 370 BP
Islamic calendar	382 BH – 381 BH
Javanese calendar	129–130
Julian calendar	251 CCLI
Korean calendar	2584
Minguo calendar	1661 before ROC 民前1661年
Nanakshahi calendar	−1217
Seleucid era	562/563 AG
Thai solar calendar	793–794
Tibetan calendar	阳金马年 (male Iron-Horse) 377 or −4 or −776     — to — 阴金羊年 (female Iron-Goat) 378 or −3 or −775

251 (CCLI) was a common year starting on Wednesday of the Julian calendar, the 251st year of the Common Era (CE) and Anno Domini (AD) designations, the 251st year of the 1st millennium, the 51st year of the 3rd century, and the 2nd year of the 250s decade.

Births

• Anthony the Great

Deaths

• Saint Agatha of Sicily