21 BC

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Explore the main themes, entities and connections around 21 BC. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Overview

Common year starting on Monday Tuesday Wednesday Leap year starting on Tuesday Leap year error

15 related topics

Births

Naevius Sutorius Macro Prefect Politician AD 38

4 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

- Kali Yuga: 3080–3081
- Shaka Samvat: N/A
- Vikram Samvat: 36–37
Ab urbe condita: 733
Ancient Greek Olympiad (summer): 189th Olympiad, year 4
Assyrian calendar: 4730

Topics to explore

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Overview

Common year starting on Monday
Tuesday Common year starting on Tuesday
Wednesday Common year starting on Wednesday
Leap year starting on Tuesday
Leap year error Julian calendar
Leap year starting on Sunday
Proleptic Julian calendar
Ab urbe condita
Medieval period
Anno Domini
Calendar era
Marcus Vipsanius Agrippa
Claudia Marcella Major
Julia the Elder
Caesar Augustus Augustus

Births

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Nodes22

Edges21

Triples29

Avg. degree1.91

Density0.090909

Components1

How this topic connects Entity context

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21 BC

Top relations

- Kali Yuga · 1

21 BC → 3080–3081

- Shaka Samvat · 1

21 BC → N/A

- Vikram Samvat · 1

21 BC → 36–37

Ab urbe condita · 1

21 BC → 733

Ancient Greek Olympiad (summer) · 1

21 BC → 189th Olympiad, year 4

Assyrian calendar · 1

21 BC → 4730

Balinese saka calendar · 1

21 BC → N/A

Bengali calendar · 1

21 BC → −614 – −613

Berber calendar · 1

21 BC → 930

Buddhist calendar · 1

21 BC → 524

Important terminology Word statistics

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Important terminology

year 21 bc calendar julian ab urbe condita era roman tuesday wednesday either common starting monday leap sources differ see

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
21 BC	- Kali Yuga	3080–3081	1.00	infobox
21 BC	- Shaka Samvat	N/A	1.00	infobox
21 BC	- Vikram Samvat	36–37	1.00	infobox
21 BC	Ab urbe condita	733	1.00	infobox
21 BC	Ancient Greek Olympiad (summer)	189th Olympiad, year 4	1.00	infobox
21 BC	Assyrian calendar	4730	1.00	infobox
21 BC	Balinese saka calendar	N/A	1.00	infobox
21 BC	Bengali calendar	−614 – −613	1.00	infobox
21 BC	Berber calendar	930	1.00	infobox
21 BC	Buddhist calendar	524	1.00	infobox
21 BC	Burmese calendar	−658	1.00	infobox
21 BC	Byzantine calendar	5488–5489	1.00	infobox
21 BC	Chinese calendar	己亥年 (Earth Pig) 2677 or 2470 — to — 庚子年 (Metal Rat) 2678 or 2471	1.00	infobox
21 BC	Coptic calendar	−304 – −303	1.00	infobox
21 BC	Discordian calendar	1146	1.00	infobox
21 BC	Ethiopian calendar	−28 – −27	1.00	infobox
21 BC	Gregorian calendar	21 BC XXI BC	1.00	infobox
21 BC	Hebrew calendar	3740–3741	1.00	infobox
21 BC	Holocene calendar	9980	1.00	infobox
21 BC	Iranian calendar	642 BP – 641 BP	1.00	infobox
21 BC	Islamic calendar	662 BH – 661 BH	1.00	infobox
21 BC	Javanese calendar	N/A	1.00	infobox
21 BC	Julian calendar	21 BC XXI BC	1.00	infobox
21 BC	Korean calendar	2313	1.00	infobox
21 BC	Minguo calendar	1932 before ROC 民前1932年	1.00	infobox
21 BC	Nanakshahi calendar	−1488	1.00	infobox
21 BC	Seleucid era	291/292 AG	1.00	infobox
21 BC	Thai solar calendar	522–523	1.00	infobox
21 BC	Tibetan calendar	ས་མོ་ཕག་ལོ་ (female Earth-Boar) 106 or −275 or −1047 — to — ལྕགས་ཕོ་བྱི་བ་ལོ་ (male Iron-Rat) 107 or −274 or −1046	1.00	infobox

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