| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 10th cent. – 11th cent. – 12th cent. |
| Decades: | 1050s 1060s 1070s – 1080s – 1090s 1100s 1110s |
| Years: | 1084 1085 1086 – 1087 – 1088 1089 1090 |
| Gregorian calendar | 1087 MLXXXVII |
| Ab urbe condita | 1840 |
| Armenian calendar | 536 ԹՎ ՇԼԶ |
| Assyrian calendar | 5837 |
| Bengali calendar | 494 |
| Berber calendar | 2037 |
| English Regnal year | 21 Will. 1 – 1 Will. 2 |
| Buddhist calendar | 1631 |
| Burmese calendar | 449 |
| Byzantine calendar | 6595–6596 |
| Chinese calendar | 丙寅年 (Fire Tiger) 3783 or 3723 — to — 丁卯年 (Fire Rabbit) 3784 or 3724 |
| Coptic calendar | 803–804 |
| Discordian calendar | 2253 |
| Ethiopian calendar | 1079–1080 |
| Hebrew calendar | 4847–4848 |
| Hindu calendars | |
| - Vikram Samvat | 1143–1144 |
| - Shaka Samvat | 1008–1009 |
| - Kali Yuga | 4187–4188 |
| Holocene calendar | 11087 |
| Igbo calendar | 87–88 |
| Iranian calendar | 465–466 |
| Islamic calendar | 479–480 |
| Japanese calendar | Ōtoku 4 / Kanji 1 (寛治元年) |
| Javanese calendar | 991–992 |
| Julian calendar | 1087 MLXXXVII |
| Korean calendar | 3420 |
| Minguo calendar | 825 before ROC 民前825年 |
| Nanakshahi calendar | −381 |
| Seleucid era | 1398/1399 AG |
| Thai solar calendar | 1629–1630 |
The year 1087 BC