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Year 812 (DCCCXII) was a leap year starting on Thursday of the Julian calendar, the 812th year of the Common Era (CE) and Anno Domini (AD) designations, the 812th year of the 1st millennium, the 12th year of the 9th century, and the 3rd year of the 810s decade.
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byzantine king tang dynasty empire chinese general charlemagne denmark nobleman dcccxii japanese julian calendar era abbasid staurakios nikephoros hemming anulo
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 812 | - Kali Yuga | 3912–3913 | 1.00 | infobox |
| 812 | - Shaka Samvat | 733–734 | 1.00 | infobox |
| 812 | - Vikram Samvat | 868–869 | 1.00 | infobox |
| 812 | Ab urbe condita | 1565 | 1.00 | infobox |
| 812 | Armenian calendar | 261 ԹՎ ՄԿԱ | 1.00 | infobox |
| 812 | Assyrian calendar | 5562 | 1.00 | infobox |
| 812 | Balinese saka calendar | 733–734 | 1.00 | infobox |
| 812 | Bengali calendar | 218–219 | 1.00 | infobox |
| 812 | Berber calendar | 1762 | 1.00 | infobox |
| 812 | Buddhist calendar | 1356 | 1.00 | infobox |
| 812 | Burmese calendar | 174 | 1.00 | infobox |
| 812 | Byzantine calendar | 6320–6321 | 1.00 | infobox |
| 812 | Chinese calendar | 辛卯年 (Metal Rabbit) 3509 or 3302 — to — 壬辰年 (Water Dragon) 3510 or 3303 | 1.00 | infobox |
| 812 | Coptic calendar | 528–529 | 1.00 | infobox |
| 812 | Discordian calendar | 1978 | 1.00 | infobox |
| 812 | Ethiopian calendar | 804–805 | 1.00 | infobox |
| 812 | Gregorian calendar | 812 DCCCXII | 1.00 | infobox |
| 812 | Hebrew calendar | 4572–4573 | 1.00 | infobox |
| 812 | Holocene calendar | 10812 | 1.00 | infobox |
| 812 | Iranian calendar | 190–191 | 1.00 | infobox |
| 812 | Islamic calendar | 196–197 | 1.00 | infobox |
| 812 | Japanese calendar | Kōnin 3 (弘仁３年) | 1.00 | infobox |
| 812 | Javanese calendar | 708–709 | 1.00 | infobox |
| 812 | Julian calendar | 812 DCCCXII | 1.00 | infobox |
| 812 | Korean calendar | 3145 | 1.00 | infobox |
| 812 | Minguo calendar | 1100 before ROC 民前1100年 | 1.00 | infobox |
| 812 | Nanakshahi calendar | −656 | 1.00 | infobox |
| 812 | Seleucid era | 1123/1124 AG | 1.00 | infobox |
| 812 | Thai solar calendar | 1354–1355 | 1.00 | infobox |
| 812 | Tibetan calendar | ལྕགས་མོ་ཡོས་ལོ་ (female Iron-Hare) 938 or 557 or −215 — to — ཆུ་ཕོ་འབྲུག་ལོ་ (male Water-Dragon) 939 or 558 or −214 | 1.00 | infobox |
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