| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1125 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1125 in poetry | |
| Gregorian calendar | 1125 MCXXV |
| Ab urbe condita | 1878 |
| Armenian calendar | 574 ԹՎ ՇՀԴ |
| Assyrian calendar | 5875 |
| Bengali calendar | 532 |
| Berber calendar | 2075 |
| English Regnal year | 25 Hen. 1 – 26 Hen. 1 |
| Buddhist calendar | 1669 |
| Burmese calendar | 487 |
| Byzantine calendar | 6633–6634 |
| Chinese calendar |
甲辰年 (Wood Dragon) 3821 or 3761 — to — 乙巳年 (Wood Snake) 3822 or 3762 |
| Coptic calendar | 841–842 |
| Discordian calendar | 2291 |
| Ethiopian calendar | 1117–1118 |
| Hebrew calendar | 4885–4886 |
| Hindu calendars | |
| - Vikram Samvat | 1181–1182 |
| - Shaka Samvat | 1046–1047 |
| - Kali Yuga | 4225–4226 |
| Holocene calendar | 11125 |
| Igbo calendar | 125–126 |
| Iranian calendar | 503–504 |
| Islamic calendar | 518–519 |
| Japanese calendar |
Tenji 2 (天治2年) |
| Javanese calendar | 1030–1031 |
| Julian calendar | 1125 MCXXV |
| Korean calendar | 3458 |
| Minguo calendar | 787 before ROC 民前787年 |
| Nanakshahi calendar | −343 |
| Seleucid era | 1436/1437 AG |
| Thai solar calendar | 1667–1668 |
Year 1125 (MCXXV) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.