| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1084 by topic | |
| Lists of leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1084 MLXXXIV |
| Ab urbe condita | 1837 |
| Armenian calendar | 533 ԹՎ ՇԼԳ |
| Assyrian calendar | 5834 |
| Bengali calendar | 491 |
| Berber calendar | 2034 |
| English Regnal year | 18 Will. 1 – 19 Will. 1 |
| Buddhist calendar | 1628 |
| Burmese calendar | 446 |
| Byzantine calendar | 6592–6593 |
| Chinese calendar |
癸亥年 (Water Pig) 3780 or 3720 — to — 甲子年 (Wood Rat) 3781 or 3721 |
| Coptic calendar | 800–801 |
| Discordian calendar | 2250 |
| Ethiopian calendar | 1076–1077 |
| Hebrew calendar | 4844–4845 |
| Hindu calendars | |
| - Vikram Samvat | 1140–1141 |
| - Shaka Samvat | 1005–1006 |
| - Kali Yuga | 4184–4185 |
| Holocene calendar | 11084 |
| Igbo calendar | 84–85 |
| Iranian calendar | 462–463 |
| Islamic calendar | 476–477 |
| Japanese calendar |
Eihō 4 / Ōtoku 1 (応徳元年) |
| Javanese calendar | 988–989 |
| Julian calendar | 1084 MLXXXIV |
| Korean calendar | 3417 |
| Minguo calendar | 828 before ROC 民前828年 |
| Nanakshahi calendar | −384 |
| Seleucid era | 1395/1396 AG |
| Thai solar calendar | 1626–1627 |
Year 1084 (MLXXXIV) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.