1280 (MCCLXXX) was a leap year starting on Monday of the Julian calendar, the 1280th year of the Common Era (CE) and Anno Domini (AD) designations, the 280th year of the 2nd millennium, the 80th year of the 13th century, and the 1st year of the 1280s decade. As of the start of 1280, 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: 1250s  1260s  1270s  – 1280s –  1290s  1300s  1310s
Years: 1277 1278 127912801281 1282 1283
1280 in other calendars
Gregorian calendar1280
MCCLXXX
Ab urbe condita2033
Armenian calendar729
ԹՎ ՉԻԹ
Assyrian calendar6030
Balinese saka calendar1201–1202
Bengali calendar687
Berber calendar2230
English Regnal yearEdw. 1 – 9 Edw. 1
Buddhist calendar1824
Burmese calendar642
Byzantine calendar6788–6789
Chinese calendar己卯(Earth Rabbit)
3976 or 3916
    — to —
庚辰年 (Metal Dragon)
3977 or 3917
Coptic calendar996–997
Discordian calendar2446
Ethiopian calendar1272–1273
Hebrew calendar5040–5041
Hindu calendars
 - Vikram Samvat1336–1337
 - Shaka Samvat1201–1202
 - Kali Yuga4380–4381
Holocene calendar11280
Igbo calendar280–281
Iranian calendar658–659
Islamic calendar678–679
Japanese calendarKōan 3
(弘安3年)
Javanese calendar1190–1191
Julian calendar1280
MCCLXXX
Korean calendar3613
Minguo calendar632 before ROC
民前632年
Nanakshahi calendar−188
Thai solar calendar1822–1823
Tibetan calendar阴土兔年
(female Earth-Rabbit)
1406 or 1025 or 253
    — to —
阳金龙年
(male Iron-Dragon)
1407 or 1026 or 254

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Deaths

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