1284

1284 (MCCLXXXIV) was a leap year starting on Saturday of the Julian calendar, the 1284th year of the Common Era (CE) and Anno Domini (AD) designations, the 284th year of the 2nd millennium, the 84th year of the 13th century, and the 5th year of the 1280s decade. As of the start of 1284, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	12th century – 13th century – 14th century
Decades:	1250s  1260s  1270s  – 1280s –  1290s  1300s  1310s
Years:	1281 1282 1283 – 1284 – 1285 1286 1287

1284 in other calendars

Gregorian calendar	1284 MCCLXXXIV
Ab urbe condita	2037
Armenian calendar	733 ԹՎ ՉԼԳ
Assyrian calendar	6034
Balinese saka calendar	1205–1206
Bengali calendar	691
Berber calendar	2234
English Regnal year	12 Edw. 1 – 13 Edw. 1
Buddhist calendar	1828
Burmese calendar	646
Byzantine calendar	6792–6793
Chinese calendar	癸未年 (Water Goat) 3980 or 3920     — to — 甲申年 (Wood Monkey) 3981 or 3921
Coptic calendar	1000–1001
Discordian calendar	2450
Ethiopian calendar	1276–1277
Hebrew calendar	5044–5045
Hindu calendars
- Vikram Samvat	1340–1341
- Shaka Samvat	1205–1206
- Kali Yuga	4384–4385
Holocene calendar	11284
Igbo calendar	284–285
Iranian calendar	662–663
Islamic calendar	682–683
Japanese calendar	Kōan 7 (弘安７年)
Javanese calendar	1194–1195
Julian calendar	1284 MCCLXXXIV
Korean calendar	3617
Minguo calendar	628 before ROC 民前628年
Nanakshahi calendar	−184
Thai solar calendar	1826–1827
Tibetan calendar	阴水羊年 (female Water-Goat) 1410 or 1029 or 257     — to — 阳木猴年 (male Wood-Monkey) 1411 or 1030 or 258

Births

• April 25 – Edward II of England (died 1327), King of England