AD 66
| Millennium: | 1st millennium |
|---|---|
| Centuries: | 1st century BC – 1st century – 2nd century |
| Decades: | 30s 40s 50s – 60s – 70s 80s 90s |
| Years: | 63 64 65 – 66 – 67 68 69 |
| Gregorian calendar | AD 66 LXVI |
| Ab urbe condita | 819 |
| Assyrian calendar | 4816 |
| Balinese saka calendar | N/A |
| Bengali calendar | −527 |
| Berber calendar | 1016 |
| Buddhist calendar | 610 |
| Burmese calendar | −572 |
| Byzantine calendar | 5574–5575 |
| Chinese calendar | 乙丑年 (Wood Ox) 2762 or 2702 — to — 丙寅年 (Fire Tiger) 2763 or 2703 |
| Coptic calendar | −218 – −217 |
| Discordian calendar | 1232 |
| Ethiopian calendar | 58–59 |
| Hebrew calendar | 3826–3827 |
| Hindu calendars | |
| - Vikram Samvat | 122–123 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3166–3167 |
| Holocene calendar | 10066 |
| Iranian calendar | 556 BP – 555 BP |
| Islamic calendar | 573 BH – 572 BH |
| Javanese calendar | N/A |
| Julian calendar | AD 66 LXVI |
| Korean calendar | 2399 |
| Minguo calendar | 1846 before ROC 民前1846年 |
| Nanakshahi calendar | −1402 |
| Seleucid era | 377/378 AG |
| Thai solar calendar | 608–609 |
| Tibetan calendar | 阴木牛年 (female Wood-Ox) 192 or −189 or −961 — to — 阳火虎年 (male Fire-Tiger) 193 or −188 or −960 |
66 is a common year in the 1st century.
Events
- July 19 – Great Fire of Rome, first Roman mass persecution of Christians, earliest significant recognition of Christians in Rome