| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 10th century – 11th century – 12th century |
| Decades: | 1010s 1020s 1030s – 1040s – 1050s 1060s 1070s |
| Years: | 1042 1043 1044 – 1045 – 1046 1047 1048 |
| 1045 by topic | |
| Lists of leaders | |
| State leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1045 MXLV |
| Ab urbe condita | 1798 |
| Armenian calendar | 494 ԹՎ ՆՂԴ |
| Assyrian calendar | 5795 |
| Bahá'í calendar | -799–-798 |
| Bengali calendar | 452 |
| Berber calendar | 1995 |
| English Regnal year | N/A |
| Buddhist calendar | 1589 |
| Burmese calendar | 407 |
| Byzantine calendar | 6553–6554 |
| Chinese calendar | 甲申年十二月十一日 (3681/3741-12-11) — to —
乙酉年十一月廿一日(3682/3742-11-21) |
| Coptic calendar | 761–762 |
| Ethiopian calendar | 1037–1038 |
| Hebrew calendar | 4805–4806 |
| Hindu calendars | |
| - Vikram Samvat | 1101–1102 |
| - Shaka Samvat | 967–968 |
| - Kali Yuga | 4146–4147 |
| Holocene calendar | 11045 |
| Iranian calendar | 423–424 |
| Islamic calendar | 436–437 |
| Japanese calendar | |
| Korean calendar | 3378 |
| Minguo calendar | 867 before ROC 民前867年 |
| Thai solar calendar | 1588 |
Year 1045 (MXLV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.