| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 1566 MDLXVI |
| Ab urbe condita | 2319 |
| Armenian calendar | 1015 ԹՎ ՌԺԵ |
| Assyrian calendar | 6316 |
| Bengali calendar | 973 |
| Berber calendar | 2516 |
| English Regnal year | 8 Eliz. 1 – 9 Eliz. 1 |
| Buddhist calendar | 2110 |
| Burmese calendar | 928 |
| Byzantine calendar | 7074–7075 |
| Chinese calendar |
乙丑年 (Wood Ox) 4262 or 4202 — to — 丙寅年 (Fire Tiger) 4263 or 4203 |
| Coptic calendar | 1282–1283 |
| Discordian calendar | 2732 |
| Ethiopian calendar | 1558–1559 |
| Hebrew calendar | 5326–5327 |
| Hindu calendars | |
| - Vikram Samvat | 1622–1623 |
| - Shaka Samvat | 1487–1488 |
| - Kali Yuga | 4666–4667 |
| Holocene calendar | 11566 |
| Igbo calendar | 566–567 |
| Iranian calendar | 944–945 |
| Islamic calendar | 973–974 |
| Japanese calendar |
Eiroku 9 (永禄9年) |
| Javanese calendar | 1485–1486 |
| Julian calendar | 1566 MDLXVI |
| Korean calendar | 3899 |
| Minguo calendar | 346 before ROC 民前346年 |
| Nanakshahi calendar | 98 |
| Thai solar calendar | 2108–2109 |
Year 1566 (MDLXVI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.