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2021 (MMXXI) was a common year starting on Friday of the Gregorian calendar, the 2021st year of the Common Era (CE) and Anno Domini (AD) designations, the 21st year of the 3rd millennium and the 21st century, and the 2nd year of the 2020s decade.
The analysis highlights Events, Art and Measurement as prominent areas in the source structure around 2021.
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 2021 shows recurring relationship patterns in the source. For example, 2021 → Administration, Albania, April, Armenians, Aviva Stadium, Brexit, Bulgaria, Cape Verdean, Castro, Central Asia, Chad, China, Cooperation Agreement, COVID-19, Crew Dragon Endeavour, Crew-2, Cuba, Cuban Communist Party, Cyclone Seroja, Dublin Another extracted example is 2021 → Administration, African Union, Al Jazeera, An Israeli, Associated Press, AT, Bah Ndaw, Belarusian, Canadian, Canadian Indian Residential School, Cemeteries, Chelsea, China, COVID-19, Crew Dragon Resilience, Cypriot, Delhi, Discovery, Earth, East Jerusalem. 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.
election covid-19 held first pandemic president united 2020 international june july world government november people general party space due states
TTTA extracted 737 structured relationships around 2021. Examples in this analysis include 2021 → - Kali Yuga → 5121–5122 and 2021 → - Shaka Samvat → 1942–1943. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| 2021 | - Kali Yuga | 5121–5122 | 1.00 | infobox |
| 2021 | - Shaka Samvat | 1942–1943 | 1.00 | infobox |
| 2021 | - Vikram Samvat | 2077–2078 | 1.00 | infobox |
| 2021 | Ab urbe condita | 2774 | 1.00 | infobox |
| 2021 | Armenian calendar | 1470 ԹՎ ՌՆՀ | 1.00 | infobox |
| 2021 | Assyrian calendar | 6771 | 1.00 | infobox |
| 2021 | Baháʼí calendar | 177–178 | 1.00 | infobox |
| 2021 | Balinese saka calendar | 1942–1943 | 1.00 | infobox |
| 2021 | Bengali calendar | 1427–1428 | 1.00 | infobox |
| 2021 | Berber calendar | 2971 | 1.00 | infobox |
| 2021 | British Regnal year | 69 Eliz. 2 – 70 Eliz. 2 | 1.00 | infobox |
| 2021 | Buddhist calendar | 2565 | 1.00 | infobox |
| 2021 | Burmese calendar | 1383 | 1.00 | infobox |
| 2021 | Byzantine calendar | 7529–7530 | 1.00 | infobox |
| 2021 | Chinese calendar | 庚子年 (Metal Rat) 4718 or 4511 — to — 辛丑年 (Metal Ox) 4719 or 4512 | 1.00 | infobox |
| 2021 | Coptic calendar | 1737–1738 | 1.00 | infobox |
| 2021 | Discordian calendar | 3187 | 1.00 | infobox |
| 2021 | Ethiopian calendar | 2013–2014 | 1.00 | infobox |
| 2021 | Gregorian calendar | 2021 MMXXI | 1.00 | infobox |
| 2021 | Hebrew calendar | 5781–5782 | 1.00 | infobox |
| 2021 | Holocene calendar | 12021 | 1.00 | infobox |
| 2021 | Igbo calendar | 1021–1022 | 1.00 | infobox |
| 2021 | Iranian calendar | 1399–1400 | 1.00 | infobox |
| 2021 | Islamic calendar | 1442–1443 | 1.00 | infobox |
| 2021 | Japanese calendar | Reiwa 3 (令和３年) | 1.00 | infobox |
| 2021 | Javanese calendar | 1954–1955 | 1.00 | infobox |
| 2021 | Juche calendar | 110 | 1.00 | infobox |
| 2021 | Julian calendar | Gregorian minus 13 days | 1.00 | infobox |
| 2021 | Korean calendar | 4354 | 1.00 | infobox |
| 2021 | Minguo calendar | ROC 110 民國110年 | 1.00 | infobox |
The concept neighborhoods around 2021 bring nearby vocabulary together. In this analysis, examples include Pandemic, Million and Due. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For 2021, one of the stronger structural bridges in this analysis connects 2021 with Events. 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 2021 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Events, Art & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — 2021 · EN edition · Analysis: TopicsToTalkAbout