| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1284 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1284 in poetry |
| Gregorian calendar | 1284 MCCLXXXIV |
| Ab urbe condita | 2037 |
| Armenian calendar | 733 ԹՎ ՉԼԳ |
| Assyrian calendar | 6034 |
| Balinese saka calendar | 1205–1206 |
| Bengali calendar | 690–691 |
| 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) 3981 or 3774 — to — 甲申年 (Wood Monkey) 3982 or 3775 |
| 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 |
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Year 1284 (MCCLXXXIV) was a leap year starting on Saturday of the Julian calendar.