| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 11th century – 12th century – 13th century |
| Decades: | 1090s 1100s 1110s – 1120s – 1130s 1140s 1150s |
| Years: | 1120 1121 1122 – 1123 – 1124 1125 1126 |
| 1123 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1123 in poetry | |
| Gregorian calendar | 1123 MCXXIII |
| Ab urbe condita | 1876 |
| Armenian calendar | 572 ԹՎ ՇՀԲ |
| Bahá'í calendar | -721 – -720 |
| Bengali calendar | 530 |
| Berber calendar | 2073 |
| Buddhist calendar | 1667 |
| Burmese calendar | 485 |
| Byzantine calendar | 6631 – 6632 |
| Chinese calendar | 壬寅年十二月初二日 (3759/3819-12-2) — to —
癸卯年十二月十二日(3760/3820-12-12) |
| Coptic calendar | 839 – 840 |
| Ethiopian calendar | 1115 – 1116 |
| Hebrew calendar | 4883 – 4884 |
| Hindu calendars | |
| - Bikram Samwat | 1179 – 1180 |
| - Shaka Samvat | 1045 – 1046 |
| - Kali Yuga | 4224 – 4225 |
| Holocene calendar | 11123 |
| Iranian calendar | 501 – 502 |
| Islamic calendar | 516 – 517 |
| Japanese calendar | |
| Korean calendar | 3456 |
| Thai solar calendar | 1666 |