| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1155 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1155 in poetry | |
| Gregorian calendar | 1155 MCLV |
| Ab urbe condita | 1908 |
| Armenian calendar | 604 ԹՎ ՈԴ |
| Assyrian calendar | 5905 |
| Bengali calendar | 562 |
| Berber calendar | 2105 |
| English Regnal year | 1 Hen. 2 – 2 Hen. 2 |
| Buddhist calendar | 1699 |
| Burmese calendar | 517 |
| Byzantine calendar | 6663–6664 |
| Chinese calendar |
甲戌年 (Wood Dog) 3851 or 3791 — to — 乙亥年 (Wood Pig) 3852 or 3792 |
| Coptic calendar | 871–872 |
| Discordian calendar | 2321 |
| Ethiopian calendar | 1147–1148 |
| Hebrew calendar | 4915–4916 |
| Hindu calendars | |
| - Vikram Samvat | 1211–1212 |
| - Shaka Samvat | 1076–1077 |
| - Kali Yuga | 4255–4256 |
| Holocene calendar | 11155 |
| Igbo calendar | 155–156 |
| Iranian calendar | 533–534 |
| Islamic calendar | 549–550 |
| Japanese calendar |
Kyūju 2 (久寿2年) |
| Javanese calendar | 1061–1062 |
| Julian calendar | 1155 MCLV |
| Korean calendar | 3488 |
| Minguo calendar | 757 before ROC 民前757年 |
| Nanakshahi calendar | −313 |
| Seleucid era | 1466/1467 AG |
| Thai solar calendar | 1697–1698 |
Year 1155 (MCLV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.