| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 11th century – 12th century – 13th century |
| Decades: | 1100s 1110s 1120s – 1130s – 1140s 1150s 1160s |
| Years: | 1135 1136 1137 – 1138 – 1139 1140 1141 |
| Gregorian calendar | 1138 MCXXXVIII |
| Ab urbe condita | 1891 |
| Armenian calendar | 587 ԹՎ ՇՁԷ |
| Bahá'í calendar | -706 – -705 |
| Bengali calendar | 545 |
| Berber calendar | 2088 |
| Buddhist calendar | 1682 |
| Burmese calendar | 500 |
| Byzantine calendar | 6646 – 6647 |
| Chinese calendar | 丁巳年十一月十八日 (3774/3834-11-18) — to —
戊午年十一月廿八日(3775/3835-11-28) |
| Coptic calendar | 854 – 855 |
| Ethiopian calendar | 1130 – 1131 |
| Hebrew calendar | 4898 – 4899 |
| Hindu calendars | |
| - Bikram Samwat | 1194 – 1195 |
| - Shaka Samvat | 1060 – 1061 |
| - Kali Yuga | 4239 – 4240 |
| Holocene calendar | 11138 |
| Iranian calendar | 516 – 517 |
| Islamic calendar | 532 – 533 |
| Japanese calendar | |
| Korean calendar | 3471 |
| Thai solar calendar | 1681 |