RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
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.
1,533 results for "Ring of Brodgar" — page 72 of 77
W_4_04 — Mississippian Culture — Cahokia, Mound Builders, and the Southeastern Ceremonial Complex
Cahokia, located near present-day East St. Louis, Illinois, was the largest pre-Columbian settlement north of Mexico, reaching a peak population of 20,000 or more around 1050-1200 CE. The site features Monks Mound — the
W_4_02 — Polynesian Navigation and Rapa Nui
The Polynesian settlement of the Pacific Ocean — the largest migration in human prehistory — colonized virtually every inhabitable island across 16 million km² of open ocean using non-instrument navigation techniques of
W_4_00 — Americas Pacific Indigenous: Subfolder Summary
W_1_05 — Phoenician Civilization — Alphabet, Navigation, and the Purple Empire
The Phoenicians — coastal Canaanites inhabiting a narrow strip of the eastern Mediterranean (modern Lebanon, plus parts of Syria and Israel) — never built a military empire but achieved something arguably more consequent
W_1_04 — Persian Civilization — Achaemenid Empire, Magi, and Cosmic Kingship
The Persian Empire (550–330 BCE under the Achaemenids, revived 224–651 CE under the Sassanids) created the largest empire the ancient world had seen — stretching from Libya to India, governing ~44% of the world's populat
W_1_00 — Ancient Near East Mediterranean: Subfolder Summary
W_1_03 — Harappan / Indus Valley Civilization — Mohenjo-daro, Undeciphered Script, and the Pashupati Seal
The Indus Valley / Harappan Civilization (c. 3300–1300 BCE, mature phase 2600–1900 BCE) was the largest of the three great Bronze Age civilizations — at its peak covering ~1.25 million km², with an estimated population o
W_0_00 — World Civilizations: Section Summary
W_3_01 — Bantu Cosmology, Migration, and Iron Traditions
The Bantu expansion (~3000 BCE–500 CE) is one of the largest and most consequential human migrations in history: speakers of proto-Bantu languages from the Nigeria-Cameroon borderland spread across most of sub-Saharan Af
W_3_00 — African Civilizations: Subfolder Summary
W_3_03 — Great Zimbabwe and Southern African Civilizations
Great Zimbabwe, located in southeastern Zimbabwe, was the capital of a prosperous Shona-speaking civilization that flourished from the 11th to 15th centuries CE, and represents the largest stone structure in sub-Saharan
W_3_04 — Swahili Coast — Maritime Trade, City-States, and Cultural Exchange
The Swahili Coast — stretching over 2,000 miles from Mogadishu to Mozambique — was home to a network of prosperous maritime city-states that flourished from the 8th through 16th centuries CE, serving as the western ancho
W_2_21 — The Khmer Empire and Angkor
The Khmer Empire (~802–1431 CE), centered in present-day Cambodia, was one of the most powerful and spatially extensive states in Southeast Asian history, and its capital Angkor was the largest preindustrial city on Eart
W_2_17 — Khmer Empire & Angkor Hydraulics
The Khmer Empire (c. 802–1431 CE), centered in modern Cambodia, was one of the most powerful and technologically sophisticated states in Southeast Asian history. Its capital, Greater Angkor, covered approximately 1,000 k
W_2_23 — Pyu City-States
The Pyu city-states (c. 200 BCE – 1050 CE) were the earliest urbanized polities in mainland Southeast Asia, located in the dry zone and Irrawaddy River valley of modern Myanmar (Burma). Three major walled cities — Beikth
W_2_01 — Jōmon People and Pre-Yamato Japan
This document examines Jōmon People and Pre-Yamato Japan, a topic within the Global Traditions research area. Key areas of investigation include Chronological Framework, The Oldest Pottery in the World, Population and Se
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
W_2_00 — Asian Civilizations: Subfolder Summary
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
ZH_0_00 — Archaeoastronomy & Celestial Knowledge: Section Summary
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