1251 - Simple English Wikipedia, the free encyclopedia

Millennium: 2nd millennium
Centuries: 12th century13th century14th century
Decades: 1220s  1230s  1240s  – 1250s –  1260s  1270s  1280s
Years: 1248 1249 125012511252 1253 1254
1251 in other calendars
Gregorian calendar1251
MCCLI
Ab urbe condita2004
Armenian calendar700
ԹՎ Չ
Assyrian calendar6001
Balinese saka calendar1172–1173
Bengali calendar658
Berber calendar2201
English Regnal year35 Hen. 3 – 36 Hen. 3
Buddhist calendar1795
Burmese calendar613
Byzantine calendar6759–6760
Chinese calendar庚戌(Metal Dog)
3947 or 3887
    — to —
辛亥年 (Metal Pig)
3948 or 3888
Coptic calendar967–968
Discordian calendar2417
Ethiopian calendar1243–1244
Hebrew calendar5011–5012
Hindu calendars
 - Vikram Samvat1307–1308
 - Shaka Samvat1172–1173
 - Kali Yuga4351–4352
Holocene calendar11251
Igbo calendar251–252
Iranian calendar629–630
Islamic calendar648–649
Japanese calendarKenchō 3
(建長3年)
Javanese calendar1160–1161
Julian calendar1251
MCCLI
Korean calendar3584
Minguo calendar661 before ROC
民前661年
Nanakshahi calendar−217
Thai solar calendar1793–1794
Tibetan calendar阳金狗年
(male Iron-Dog)
1377 or 996 or 224
    — to —
阴金猪年
(female Iron-Pig)
1378 or 997 or 225

1251 (MCCLI) was a common year starting on Sunday of the Julian calendar, the 1251st year of the Common Era (CE) and Anno Domini (AD) designations, the 251st year of the 2nd millennium, the 51st year of the 13th century, and the 2nd year of the 1250s decade. As of the start of 1251, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.