1270 (MCCLXX) was a common year starting on Wednesday of the Julian calendar, the 1270th year of the Common Era (CE) and Anno Domini (AD) designations, the 270th year of the 2nd millennium, the 70th year of the 13th century, and the 1st year of the 1270s decade. As of the start of 1270, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium: 2nd millennium
Centuries: 12th century13th century14th century
Decades: 1240s  1250s  1260s  – 1270s –  1280s  1290s  1300s
Years: 1267 1268 126912701271 1272 1273
1270 in other calendars
Gregorian calendar1270
MCCLXX
Ab urbe condita2023
Armenian calendar719
ԹՎ ՉԺԹ
Assyrian calendar6020
Balinese saka calendar1191–1192
Bengali calendar677
Berber calendar2220
English Regnal year54 Hen. 3 – 55 Hen. 3
Buddhist calendar1814
Burmese calendar632
Byzantine calendar6778–6779
Chinese calendar己巳(Earth Snake)
3966 or 3906
    — to —
庚午年 (Metal Horse)
3967 or 3907
Coptic calendar986–987
Discordian calendar2436
Ethiopian calendar1262–1263
Hebrew calendar5030–5031
Hindu calendars
 - Vikram Samvat1326–1327
 - Shaka Samvat1191–1192
 - Kali Yuga4370–4371
Holocene calendar11270
Igbo calendar270–271
Iranian calendar648–649
Islamic calendar668–669
Japanese calendarBun'ei 7
(文永7年)
Javanese calendar1180–1181
Julian calendar1270
MCCLXX
Korean calendar3603
Minguo calendar642 before ROC
民前642年
Nanakshahi calendar−198
Thai solar calendar1812–1813
Tibetan calendar阴土蛇年
(female Earth-Snake)
1396 or 1015 or 243
    — to —
阳金马年
(male Iron-Horse)
1397 or 1016 or 244

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