| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 1556 MDLVI |
| Ab urbe condita | 2309 |
| Armenian calendar | 1005 ԹՎ ՌԵ |
| Assyrian calendar | 6306 |
| Bengali calendar | 963 |
| Berber calendar | 2506 |
| English Regnal year | 2 Ph. & M. – 3 Ph. & M. |
| Buddhist calendar | 2100 |
| Burmese calendar | 918 |
| Byzantine calendar | 7064–7065 |
| Chinese calendar |
乙卯年 (Wood Rabbit) 4252 or 4192 — to — 丙辰年 (Fire Dragon) 4253 or 4193 |
| Coptic calendar | 1272–1273 |
| Discordian calendar | 2722 |
| Ethiopian calendar | 1548–1549 |
| Hebrew calendar | 5316–5317 |
| Hindu calendars | |
| - Vikram Samvat | 1612–1613 |
| - Shaka Samvat | 1477–1478 |
| - Kali Yuga | 4656–4657 |
| Holocene calendar | 11556 |
| Igbo calendar | 556–557 |
| Iranian calendar | 934–935 |
| Islamic calendar | 963–964 |
| Japanese calendar |
Kōji 2 (弘治2年) |
| Javanese calendar | 1475–1476 |
| Julian calendar | 1556 MDLVI |
| Korean calendar | 3889 |
| Minguo calendar | 356 before ROC 民前356年 |
| Nanakshahi calendar | 88 |
| Thai solar calendar | 2098–2099 |
Year 1556 (MDLVI) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar.