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

3,721 Documents 34 Sections 43,623 Citations 34,854 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.

303 results for "civilization collapse" — page 13 of 16

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 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_05 World Civilizations

W_5_05 — Southeast Asian Spirit Traditions (Thai, Burmese, Khmer)

Southeast Asia presents one of the world's most complex religious landscapes, where Theravada Buddhism has been practiced for over a millennium in deep synthesis with pre-Buddhist animistic traditions rather than displac

phi spirits nat worship neak ta Southeast Asia Thai animism Burmese 37 nats
W_5_17 Verified World Civilizations

W_5_17 — Göktürk Khaganate

The Göktürk (Old Turkic: 𐰜𐰇𐰛:𐱅𐰇𐰼𐰰, Kök Türk, "Celestial Turks") Khaganate (552–744 CE) was the first major Turkic-speaking empire to unite the Central Asian steppe, stretching at its height from Manchuria to the Black Se

gokturk turkic-khaganate central-asia steppe-empire orkhon-inscriptions silk-road
W_5_04 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 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_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_31 Verified World Civilizations

W_5_31 — Muisca Confederation and El Dorado

The Muisca (also called Chibcha) confederation occupied the high-altitude plateaus of the Eastern Cordillera of Colombia (2,600 m elevation, modern Boyacá and Cundinamarca departments) and represents one of the most comp

Muisca Chibcha El Dorado Colombia Lake Guatavita gold
W_5_11 Credible World Civilizations

W_5_11 — Byzantine Empire: Constantinople, Orthodoxy, and East Roman Legacy

The Byzantine Empire (c. 330–1453 CE) — the continuation of the eastern half of the Roman Empire, centered on Constantinople (modern Istanbul, founded as Byzantium, refounded by Constantine I in 330 CE) — endured for ove

Byzantine Constantinople Eastern Roman Empire Justinian Hagia Sophia Theodora
W_5_00 World Civilizations

W_5_00 — Steppe European Global: Subfolder Summary

W_5_30 Verified World Civilizations

W_5_30 — Lambayeque and Sicán Culture: Lords of the Northern Coast

The Lambayeque (or Sicán) culture (~750–1375 CE) was a wealthy, metallurgically advanced civilization of Peru's north coast that succeeded the Moche and preceded the Chimú in the Lambayeque Valley. Discovered through sys

Lambayeque Sicán Batán Grande Naymlap goldwork tumbaga
W_5_22 Verified World Civilizations

W_5_22 — Uyghur Khaganate

The Uyghur Khaganate (744–840 CE) was a Turkic steppe empire centered in the Orkhon Valley (modern Mongolia) that fundamentally challenged the stereotype of nomadic empires as purely pastoral and destructive. Under Bögü

Uyghur Khaganate Orkhon Valley Manichaeism Turkic steppe Bögü Khagan Ordu-Baliq
W_5_29 Verified World Civilizations

W_5_29 — San Agustín Archaeological Park: Megalithic Sculpture of Colombia

The San Agustín Archaeological Park in Huila Department, southwestern Colombia, is the largest group of megalithic funerary monuments and stone sculptures in South America. Designated a UNESCO World Heritage Site in 1995

San Agustín megalithic sculpture Colombia tomb barrow
W_5_06 World Civilizations

W_5_06 — Siberian Shamanism and the Origin of the Word 'Shaman'

Siberian shamanism is the mother tradition from which the very word "shaman" enters Western scholarship — derived from the Tungusic (Evenki) term šaman. This vast, diverse tradition spans the taiga and tundra from the Ur

Siberian shamanism Tungusic shaman etymology saman drum trance
ZH_4_07 Verified Archaeoastronomy

ZH_4_07 — African Astronomical Knowledge: Mursi, Borana, Nabta Playa

Africa — the continent of humanity's origin — has produced some of the world's oldest, most diverse, and most under-documented astronomical traditions. From the possible megalithic calendar circle at Nabta Playa in the e

African astronomy Borana calendar Mursi Nabta Playa stone circle Saharan astronomy
ZH_3_06 Verified Archaeoastronomy

ZH_3_06 — Andean Dark Constellations and Milky Way Astronomy

Andean astronomical traditions, particularly as documented in Quechua-speaking communities of Peru and Bolivia and inferred from colonial-era Spanish accounts of Inca cosmology, are distinguished by a feature unique in w

dark constellation dark cloud constellation Andean astronomy Inca astronomy Milky Way Mayu
ZH_3_05 Verified Archaeoastronomy

ZH_3_05 — Nazca Lines: Astronomical and Ecological Hypotheses

The Nazca Lines are a vast complex of geoglyphs — ground drawings created by removing the dark, iron-oxide-coated desert pavement to reveal the lighter ground beneath — spread across the arid Pampa de Nazca and surroundi

Nazca Lines geoglyph Nazca Pampa de Nazca Maria Reiche Paul Kosok
ZH_3_20 Credible Archaeoastronomy

ZH_3_20 — The Inca Ceque System: Astronomical Lines, Sacred Geography & Cusco's Cosmic Order

The ceque system (zeq'e, "line" or "boundary" in Quechua) — a network of 41 conceptual lines radiating outward from the Coricancha (Temple of the Sun) in Cusco, Peru, connecting approximately 328 sacred sites (huacas: sp

ceque-system inca-astronomy cusco huaca sightline astronomical-alignment