| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 10th century – 11th century – 12th century |
| Decades: | 990s 1000s 1010s – 1020s – 1030s 1040s 1050s |
| Years: | 1023 1024 1025 – 1026 – 1027 1028 1029 |
| 1026 by topic | |
| Lists of leaders | |
| State leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1026 MXXVI |
| Ab urbe condita | 1779 |
| Armenian calendar | 475 ԹՎ ՆՀԵ |
| Bahá'í calendar | -818 – -817 |
| Bengali calendar | 433 |
| Berber calendar | 1976 |
| Buddhist calendar | 1570 |
| Burmese calendar | 388 |
| Byzantine calendar | 6534 – 6535 |
| Chinese calendar | 乙丑年十二月初十日 (3662/3722-12-10) — to —
丙寅年十一月二十日(3663/3723-11-20) |
| Coptic calendar | 742 – 743 |
| Ethiopian calendar | 1018 – 1019 |
| Hebrew calendar | 4786 – 4787 |
| Hindu calendars | |
| - Bikram Samwat | 1082 – 1083 |
| - Shaka Samvat | 948 – 949 |
| - Kali Yuga | 4127 – 4128 |
| Holocene calendar | 11026 |
| Iranian calendar | 404 – 405 |
| Islamic calendar | 416 – 417 |
| Japanese calendar | |
| Korean calendar | 3359 |
| Thai solar calendar | 1569 |