| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1148 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1148 in poetry |
| Gregorian calendar | 1148 MCXLVIII |
| Ab urbe condita | 1901 |
| Armenian calendar | 597 ԹՎ ՇՂԷ |
| Assyrian calendar | 5898 |
| Balinese saka calendar | 1069–1070 |
| Bengali calendar | 555 |
| Berber calendar | 2098 |
| English Regnal year | 13 Ste. 1 – 14 Ste. 1 |
| Buddhist calendar | 1692 |
| Burmese calendar | 510 |
| Byzantine calendar | 6656–6657 |
| Chinese calendar | 丁卯年 (Fire Rabbit) 3845 or 3638 — to — 戊辰年 (Earth Dragon) 3846 or 3639 |
| Coptic calendar | 864–865 |
| Discordian calendar | 2314 |
| Ethiopian calendar | 1140–1141 |
| Hebrew calendar | 4908–4909 |
| Hindu calendars | |
| - Vikram Samvat | 1204–1205 |
| - Shaka Samvat | 1069–1070 |
| - Kali Yuga | 4248–4249 |
| Holocene calendar | 11148 |
| Igbo calendar | 148–149 |
| Iranian calendar | 526–527 |
| Islamic calendar | 542–543 |
| Japanese calendar | Kyūan 4 (久安４年) |
| Javanese calendar | 1054–1055 |
| Julian calendar | 1148 MCXLVIII |
| Korean calendar | 3481 |
| Minguo calendar | 764 before ROC 民前764年 |
| Nanakshahi calendar | −320 |
| Seleucid era | 1459/1460 AG |
| Thai solar calendar | 1690–1691 |
| Tibetan calendar | 阴火兔年 (female Fire-Rabbit) 1274 or 893 or 121 — to — 阳土龙年 (male Earth-Dragon) 1275 or 894 or 122 |
Year 1148 (MCXLVIII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar.