| Millennium: | 2nd millennium | 
|---|---|
| Centuries: | |
| Decades: | |
| Years: | 
| 1070 by topic | |
| Lists of leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1070 MLXX | 
| Ab urbe condita | 1823 | 
| Armenian calendar | 519 ԹՎ ՇԺԹ | 
| Assyrian calendar | 5820 | 
| Bengali calendar | 477 | 
| Berber calendar | 2020 | 
| English Regnal year | 4 Will. 1 – 5 Will. 1 | 
| Buddhist calendar | 1614 | 
| Burmese calendar | 432 | 
| Byzantine calendar | 6578–6579 | 
| Chinese calendar | 己酉年 (Earth Rooster) 3766 or 3706 — to — 庚戌年 (Metal Dog) 3767 or 3707 | 
| Coptic calendar | 786–787 | 
| Discordian calendar | 2236 | 
| Ethiopian calendar | 1062–1063 | 
| Hebrew calendar | 4830–4831 | 
| Hindu calendars | |
| - Vikram Samvat | 1126–1127 | 
| - Shaka Samvat | 991–992 | 
| - Kali Yuga | 4170–4171 | 
| Holocene calendar | 11070 | 
| Igbo calendar | 70–71 | 
| Iranian calendar | 448–449 | 
| Islamic calendar | 462–463 | 
| Japanese calendar | Enkyū 2 (延久2年) | 
| Javanese calendar | 974–975 | 
| Julian calendar | 1070 MLXX | 
| Korean calendar | 3403 | 
| Minguo calendar | 842 before ROC 民前842年 | 
| Nanakshahi calendar | −398 | 
| Seleucid era | 1381/1382 AG | 
| Thai solar calendar | 1612–1613 | 
Year 1070 (MLXX) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.