| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 1551 MDLI |
| Ab urbe condita | 2304 |
| Armenian calendar | 1000 ԹՎ Ռ |
| Assyrian calendar | 6301 |
| Bengali calendar | 958 |
| Berber calendar | 2501 |
| English Regnal year | 4 Edw. 6 – 5 Edw. 6 |
| Buddhist calendar | 2095 |
| Burmese calendar | 913 |
| Byzantine calendar | 7059–7060 |
| Chinese calendar |
庚戌年 (Metal Dog) 4247 or 4187 — to — 辛亥年 (Metal Pig) 4248 or 4188 |
| Coptic calendar | 1267–1268 |
| Discordian calendar | 2717 |
| Ethiopian calendar | 1543–1544 |
| Hebrew calendar | 5311–5312 |
| Hindu calendars | |
| - Vikram Samvat | 1607–1608 |
| - Shaka Samvat | 1472–1473 |
| - Kali Yuga | 4651–4652 |
| Holocene calendar | 11551 |
| Igbo calendar | 551–552 |
| Iranian calendar | 929–930 |
| Islamic calendar | 957–958 |
| Japanese calendar |
Tenbun 20 (天文20年) |
| Javanese calendar | 1469–1470 |
| Julian calendar | 1551 MDLI |
| Korean calendar | 3884 |
| Minguo calendar | 361 before ROC 民前361年 |
| Nanakshahi calendar | 83 |
| Thai solar calendar | 2093–2094 |
Year 1551 (MDLI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.