| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1145 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1145 in poetry |
| Gregorian calendar | 1145 MCXLV |
| Ab urbe condita | 1898 |
| Armenian calendar | 594 ԹՎ ՇՂԴ |
| Assyrian calendar | 5895 |
| Balinese saka calendar | 1066–1067 |
| Bengali calendar | 552 |
| Berber calendar | 2095 |
| English Regnal year | 10 Ste. 1 – 11 Ste. 1 |
| Buddhist calendar | 1689 |
| Burmese calendar | 507 |
| Byzantine calendar | 6653–6654 |
| Chinese calendar | 甲子年 (Wood Rat) 3842 or 3635 — to — 乙丑年 (Wood Ox) 3843 or 3636 |
| Coptic calendar | 861–862 |
| Discordian calendar | 2311 |
| Ethiopian calendar | 1137–1138 |
| Hebrew calendar | 4905–4906 |
| Hindu calendars | |
| - Vikram Samvat | 1201–1202 |
| - Shaka Samvat | 1066–1067 |
| - Kali Yuga | 4245–4246 |
| Holocene calendar | 11145 |
| Igbo calendar | 145–146 |
| Iranian calendar | 523–524 |
| Islamic calendar | 539–540 |
| Japanese calendar | Ten'yō 2 / Kyūan 1 (久安元年) |
| Javanese calendar | 1051–1052 |
| Julian calendar | 1145 MCXLV |
| Korean calendar | 3478 |
| Minguo calendar | 767 before ROC 民前767年 |
| Nanakshahi calendar | −323 |
| Seleucid era | 1456/1457 AG |
| Thai solar calendar | 1687–1688 |
| Tibetan calendar | 阳木鼠年 (male Wood-Rat) 1271 or 890 or 118 — to — 阴木牛年 (female Wood-Ox) 1272 or 891 or 119 |
Year 1145 (MCXLV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.