| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century – 2nd century – 3rd century |
| Decades: | 90s 100s 110s – 120s – 130s 140s 150s |
| Years: | 123 124 125 – 126 – 127 128 129 |
| 126 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 126 CXXVI |
| Ab urbe condita | 879 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1718 – -1717 |
| Bengali calendar | -467 |
| Berber calendar | 1076 |
| Buddhist calendar | 670 |
| Burmese calendar | -512 |
| Byzantine calendar | 5634 – 5635 |
| Chinese calendar | 乙丑年十一月二十日 (2762/2822-11-20) — to —
丙寅年十一月三十日(2763/2823-11-30) |
| Coptic calendar | -158 – -157 |
| Ethiopian calendar | 118 – 119 |
| Hebrew calendar | 3886 – 3887 |
| Hindu calendars | |
| - Bikram Samwat | 182 – 183 |
| - Shaka Samvat | 48 – 49 |
| - Kali Yuga | 3227 – 3228 |
| Holocene calendar | 10126 |
| Iranian calendar | 496 BP – 495 BP |
| Islamic calendar | 511 BH – 510 BH |
| Japanese calendar | |
| Korean calendar | 2459 |
| Thai solar calendar | 669 |
Year 126 (CXXVI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.