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Year 820 (DCCCXX) was a leap year starting on Sunday of the Julian calendar.
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Explore the main themes, entities and connections around 820. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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approximate date abbasid al-ma'mun ibn king byzantine caliph appoints governor emperor mac tang dynasty frankish dcccxx julian calendar yemen zong
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 820 | - Kali Yuga | 3920–3921 | 1.00 | infobox |
| 820 | - Shaka Samvat | 741–742 | 1.00 | infobox |
| 820 | - Vikram Samvat | 876–877 | 1.00 | infobox |
| 820 | Ab urbe condita | 1573 | 1.00 | infobox |
| 820 | Armenian calendar | 269 ԹՎ ՄԿԹ | 1.00 | infobox |
| 820 | Assyrian calendar | 5570 | 1.00 | infobox |
| 820 | Balinese saka calendar | 741–742 | 1.00 | infobox |
| 820 | Bengali calendar | 226–227 | 1.00 | infobox |
| 820 | Berber calendar | 1770 | 1.00 | infobox |
| 820 | Buddhist calendar | 1364 | 1.00 | infobox |
| 820 | Burmese calendar | 182 | 1.00 | infobox |
| 820 | Byzantine calendar | 6328–6329 | 1.00 | infobox |
| 820 | Chinese calendar | 己亥年 (Earth Pig) 3517 or 3310 — to — 庚子年 (Metal Rat) 3518 or 3311 | 1.00 | infobox |
| 820 | Coptic calendar | 536–537 | 1.00 | infobox |
| 820 | Discordian calendar | 1986 | 1.00 | infobox |
| 820 | Ethiopian calendar | 812–813 | 1.00 | infobox |
| 820 | Gregorian calendar | 820 DCCCXX | 1.00 | infobox |
| 820 | Hebrew calendar | 4580–4581 | 1.00 | infobox |
| 820 | Holocene calendar | 10820 | 1.00 | infobox |
| 820 | Iranian calendar | 198–199 | 1.00 | infobox |
| 820 | Islamic calendar | 204–205 | 1.00 | infobox |
| 820 | Japanese calendar | Kōnin 11 (弘仁１１年) | 1.00 | infobox |
| 820 | Javanese calendar | 716–717 | 1.00 | infobox |
| 820 | Julian calendar | 820 DCCCXX | 1.00 | infobox |
| 820 | Korean calendar | 3153 | 1.00 | infobox |
| 820 | Minguo calendar | 1092 before ROC 民前1092年 | 1.00 | infobox |
| 820 | Nanakshahi calendar | −648 | 1.00 | infobox |
| 820 | Seleucid era | 1131/1132 AG | 1.00 | infobox |
| 820 | Thai solar calendar | 1362–1363 | 1.00 | infobox |
| 820 | Tibetan calendar | ས་མོ་ཕག་ལོ་ (female Earth-Boar) 946 or 565 or −207 — to — ལྕགས་ཕོ་བྱི་བ་ལོ་ (male Iron-Rat) 947 or 566 or −206 | 1.00 | infobox |
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