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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

3,719 results for "C symmetry" — page 26 of 186

W_2_13 Credible World Civilizations

W_2_13 — Sogdian Civilization: Silk Road Merchants and Cultural Brokers

The Sogdians — an Eastern Iranian people centered in the fertile valleys of the Zerafshan and Kashkadarya rivers (modern Uzbekistan and Tajikistan — the cities of Samarkand and Bukhara) — were the quintessential merchant

Sogdiana Sogdian Silk Road Samarkand Bukhara merchant network
W_2_12 Credible World Civilizations

W_2_12 — Khmer Empire Beyond Angkor: Jayavarman, Hydraulics, and Collapse

The Khmer Empire (c. 802–1431 CE) — centered in present-day Cambodia and extending across much of mainland Southeast Asia — was one of the most powerful and sophisticated civilizations in world history, yet its true scal

Khmer Empire Angkor Jayavarman VII hydraulic civilization baray LiDAR
W_2_11 Verified World Civilizations

W_2_11 — East Asian Ancestor Veneration Systems

Ancestor veneration — the ritual maintenance of relationships with deceased family members through offerings, prayers, and commemorative ceremonies — constitutes the deepest continuous layer of East Asian religious pract

ancestor veneration ancestral tablets spirit tablets zongci filial piety xiao
W_2_25 Verified World Civilizations

W_2_25 — Tocharian Civilization & Tarim Basin

The Tocharian civilization of the Tarim Basin (modern Xinjiang, China) represents one of the great puzzles of Indo-European studies: a population speaking the easternmost Indo-European languages — Tocharian A (Agnean) an

Tocharian Tarim Basin Kucha Khotan Indo-European Tarim mummies
W_5_02 Verified World Civilizations

W_5_02 — Celtic and Druidic Traditions

The Celtic peoples — a linguistic and cultural group spread across Europe from Anatolia to Ireland between roughly 800 BCE and 400 CE — developed one of the most sophisticated pre-literate knowledge systems in the Wester

Celtic Druid Druidism Druidry ogham sacred grove
W_5_01 Verified World Civilizations

W_5_01 — Scythian / Steppe Nomad Traditions and Animal Style Art

The Scythians (c. 900–200 BCE) were a confederation of Iranian-speaking steppe nomads who dominated the Eurasian grasslands from the Black Sea to the Altai Mountains. Known primarily through Herodotus (Book IV) and spect

Scythian Scythia steppe nomads Pazyryk kurgan Kurgan hypothesis
W_5_14 Credible World Civilizations

W_5_14 — Mapuche Civilization: Resistance, Cosmovision, and Araucanian Culture

The Mapuche ("People of the Land") — also historically known by the Spanish term Araucanians — are an indigenous people of south-central Chile and southwestern Argentina who achieved something nearly unique in the histor

Mapuche Araucanian Chile Argentina resistance Arauco War
W_5_25 Credible World Civilizations

W_5_25 — Silk Road & Ancient Trade Networks

The Silk Road — a term coined by German geographer Ferdinand von Richthofen in 1877 (Seidenstraße) — refers to the interconnected network of overland and maritime trade routes linking China, Central Asia, the Indian subc

Silk Road trade networks Sogdians caravansary spice trade incense route
W_5_12 Credible World Civilizations

W_5_12 — Lapita Culture: Pacific Colonization and Pottery Horizon

The Lapita cultural complex (c. 1600/1500–500 BCE) was the foundational maritime culture that colonized Remote Oceania — transforming the Pacific from a barrier into a highway and ultimately giving rise to the Polynesian

Lapita Pacific Oceania colonization pottery Melanesia
W_5_26 Verified World Civilizations

W_5_26 — Chachapoya: Warriors of the Clouds

The Chachapoya ("People of the Clouds") were a pre-Inca civilization inhabiting the cloud forests of northeastern Peru's Amazonas region (~800–1470 CE). Known for their monumental fortress of Kuelap — a massive stone cit

Chachapoya Kuelap cloud forest sarcophagi mummy Peru
W_5_32 Verified World Civilizations

W_5_32 — Taíno People of the Caribbean

The Taíno were the dominant indigenous people of the Greater Antilles (Hispaniola, Cuba, Jamaica, Puerto Rico) and the Bahamas at the time of Christopher Columbus's arrival on October 12, 1492 — making them the first ind

Taíno Arawak Caribbean Hispaniola Columbus cacique
W_5_07 Verified World Civilizations

W_5_07 — Sami Shamanism and Circumpolar Traditions

The circumpolar world — the vast band of Arctic and subarctic territory stretching from Scandinavia across Siberia to Alaska, Canada, and Greenland — is home to indigenous peoples whose spiritual traditions represent som

Sami Saami Lapland Sápmi noaidi joik
W_5_04 Verified World Civilizations

W_5_04 — Sufi Mysticism and Islamic Esotericism

Sufism (Arabic: tasawwuf) — the mystical/esoteric dimension of Islam — represents one of humanity's most profound traditions of direct experiential knowledge of the Divine (ma'rifa/gnosis). While orthodox Islam emphasize

Sufism tasawwuf mysticism dhikr fana baqa
W_5_33 Credible World Civilizations

W_5_33 — Khazar Khaganate: Turkic Empire and Religious Conversion

The Khazar Khaganate (c. 650–1048 CE) was a major Turkic empire that dominated the steppe and steppe-forest region between the Caspian Sea, the Black Sea, the Caucasus Mountains, and the Volga River — controlling key seg

Khazar Khaganate Turkic Judaism conversion Caspian
W_5_03 Verified World Civilizations

W_5_03 — Mongol Tengrism and Central Asian Shamanism

Tengrism is one of the world's oldest continually practiced sky-god religions, centered on Möngke Tengri ("Eternal Blue Sky") as the supreme cosmic deity. Originating among the Turkic-Mongol peoples of the Central Asian

Tengrism Tengri Mongolia Genghis Khan Chinggis yurt
W_5_20 Verified World Civilizations

W_5_20 — Renaissance Italian City-States: Commerce, Culture, and Innovation

The Italian Renaissance city-states (c. 1300–1600) — principally Florence, Venice, Milan, Genoa, and the Papal States, along with dozens of smaller polities — constituted one of history's most productive experiments in p

Renaissance city-state Florence Venice Medici banking
W_5_16 Verified World Civilizations

W_5_16 — The Venetian Republic: Maritime Empire, Statecraft, and Cultural Innovation

The Most Serene Republic of Venice (Serenissima Repubblica di Venezia) endured for 1,100 years (697–1797 CE), making it one of the longest-lived republics in history. Founded as a refuge community on marshy lagoon island

Venice Venetian Republic Serenissima maritime empire Mediterranean trade doge
W_5_10 Verified World Civilizations

W_5_10 — Tamil Sangam Civilization and Dravidian Heritage

The Sangam period (c. 3rd century BCE – 3rd century CE, with literary traditions extending to ~5th century CE) represents the earliest extensively documented phase of Tamil civilization in southern India — a cultural, li

Sangam literature Tamil Sangam Dravidian ancient Tamil Tamilakam Chera
W_5_27 Verified World Civilizations

W_5_27 — Valdivia Culture: Oldest Pottery in the Americas

The Valdivia culture (~3500–1800 BCE) of coastal Ecuador produced the oldest known pottery in the Americas, making it one of the earliest complex societies in the Western Hemisphere. Discovered by Emilio Estrada in 1956

Valdivia pottery Ecuador Formative period figurine Venus
W_5_28 Verified World Civilizations

W_5_28 — Tairona Civilization and Ciudad Perdida

The Tairona were a complex chiefdom-level society that flourished in the Sierra Nevada de Santa Marta mountains of northern Colombia from approximately 200 CE to the Spanish conquest (~1600 CE). Their most spectacular ac

Tairona Ciudad Perdida Teyuna Sierra Nevada de Santa Marta Colombia Kogi