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Year 842 (DCCCXLII) was a common year starting on Sunday of the Julian calendar, the 842nd year of the Common Era (CE) and Anno Domini (AD) designations, the 842nd year of the 1st millennium, the 42nd year of the 9th century, and the 3rd year of the 840s decade.
The analysis highlights Art, Deaths and Overview as prominent areas in the source structure around 842.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around 842 shows recurring relationship patterns in the source. For example, 842 → Abbasid, Abo, Al-Mu'tasim, Alfonso II, Asturias, August, Bernard, Byzantine, Chinese, Death, Dúngal, Fergaile, Frankish, Hajj, Humbert, Ireland, January, Japan, Japanese, Kiyotomo Another extracted example is 842 → 3942–3943. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
king muslim caliph byzantine abbasid chinese january emperor dies reign son al-wathiq dcccxlii empire japanese julian calendar era 20 succeeded
TTTA extracted 73 structured relationships around 842. Examples in this analysis include 842 → - Kali Yuga → 3942–3943 and 842 → - Shaka Samvat → 763–764. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 842 | - Kali Yuga | 3942–3943 | 1.00 | infobox |
| 842 | - Shaka Samvat | 763–764 | 1.00 | infobox |
| 842 | - Vikram Samvat | 898–899 | 1.00 | infobox |
| 842 | Ab urbe condita | 1595 | 1.00 | infobox |
| 842 | Armenian calendar | 291 ԹՎ ՄՂԱ | 1.00 | infobox |
| 842 | Assyrian calendar | 5592 | 1.00 | infobox |
| 842 | Balinese saka calendar | 763–764 | 1.00 | infobox |
| 842 | Bengali calendar | 248–249 | 1.00 | infobox |
| 842 | Berber calendar | 1792 | 1.00 | infobox |
| 842 | Buddhist calendar | 1386 | 1.00 | infobox |
| 842 | Burmese calendar | 204 | 1.00 | infobox |
| 842 | Byzantine calendar | 6350–6351 | 1.00 | infobox |
| 842 | Chinese calendar | 辛酉年 (Metal Rooster) 3539 or 3332 — to — 壬戌年 (Water Dog) 3540 or 3333 | 1.00 | infobox |
| 842 | Coptic calendar | 558–559 | 1.00 | infobox |
| 842 | Discordian calendar | 2008 | 1.00 | infobox |
| 842 | Ethiopian calendar | 834–835 | 1.00 | infobox |
| 842 | Gregorian calendar | 842 DCCCXLII | 1.00 | infobox |
| 842 | Hebrew calendar | 4602–4603 | 1.00 | infobox |
| 842 | Holocene calendar | 10842 | 1.00 | infobox |
| 842 | Iranian calendar | 220–221 | 1.00 | infobox |
| 842 | Islamic calendar | 227–228 | 1.00 | infobox |
| 842 | Japanese calendar | Jōwa 9 (承和９年) | 1.00 | infobox |
| 842 | Javanese calendar | 739–740 | 1.00 | infobox |
| 842 | Julian calendar | 842 DCCCXLII | 1.00 | infobox |
| 842 | Korean calendar | 3175 | 1.00 | infobox |
| 842 | Minguo calendar | 1070 before ROC 民前1070年 | 1.00 | infobox |
| 842 | Nanakshahi calendar | −626 | 1.00 | infobox |
| 842 | Seleucid era | 1153/1154 AG | 1.00 | infobox |
| 842 | Thai solar calendar | 1384–1385 | 1.00 | infobox |
| 842 | Tibetan calendar | ལྕགས་མོ་བྱ་ལོ་ (female Iron-Bird) 968 or 587 or −185 — to — ཆུ་ཕོ་ཁྱི་ལོ་ (male Water-Dog) 969 or 588 or −184 | 1.00 | infobox |
The concept neighborhoods around 842 bring nearby vocabulary together. In this analysis, examples include Calendar, Era and Julian. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For 842, one of the stronger structural bridges in this analysis connects 842 with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around 842 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art, Deaths & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — 842 · EN edition · Analysis: TopicsToTalkAbout