RESEARCH BASE

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.

1,812 results for "Friday the 13th" — page 36 of 91

W_1_27 Verified World Civilizations

W_1_27 — Minoan Civilization & Thalassocracy

The Minoan civilization — Europe's first advanced literate society — flourished on Crete and surrounding Aegean islands from approximately 2700–1450 BCE, predating Mycenaean Greece and exercising maritime dominance (thal

Minoan Crete Knossos Thera Santorini eruption Linear A
W_1_01 World Civilizations

W_1_01 — Olmec Civilization and Serpent-Jaguar Symbolism

The Olmec civilization (~1500–400 BCE), centered in the tropical lowlands of Mexico's Gulf Coast (modern Veracruz and Tabasco), is widely considered the "mother culture" of Mesoamerica — the civilization from which later

Olmec La Venta San Lorenzo Tres Zapotes colossal heads were-jaguar
W_1_11 World Civilizations

W_1_11 — Roman Religion, Augury, and Imperial Cult

Roman religion was not a personal faith system but a civic technology — a complex apparatus of ritual obligations, priestly colleges, and divinatory techniques designed to maintain the pax deorum ("peace of the gods") up

Roman religion augury auspices haruspicy pontifex maximus Vestal Virgins
W_1_12 Verified World Civilizations

W_1_12 — Persian Civilization — Achaemenid, Parthian, and Sassanid

Persian civilization produced three of antiquity's greatest empires — the Achaemenid (550–330 BCE), Parthian (247 BCE–224 CE), and Sassanid (224–651 CE) — that together dominated the Middle East, Central Asia, and parts

Persia Achaemenid Sassanid Parthian Cyrus the Great Darius
W_3_16 Verified World Civilizations

W_3_16 — Aksumite Empire

The Aksumite Empire (c. 100–940 CE) was a major trading civilization centered in the northern Ethiopian and Eritrean highlands, with its capital at Aksum. It was one of the four great powers of the ancient world accordin

aksum aksumite ethiopia eritrea obelisk stelae
W_3_06 World Civilizations

W_3_06 — Coptic and Ethiopian Christian Mystical Traditions

The Coptic and Ethiopian Christian traditions represent the oldest continuously operating Christian institutions in Africa, preserving theological, liturgical, and textual materials that have been lost or marginalized in

Ethiopian Tewahedo Coptic Christianity Lalibela Kebra Nagast Ark of the Covenant Enochic tradition
W_3_22 Verified World Civilizations

W_3_22 — Mapungubwe Kingdom

Mapungubwe (c. 1075–1290 CE) was the first complex state society in southern Africa, located at the confluence of the Limpopo and Shashe rivers in present-day South Africa. The site demonstrated the earliest evidence of

Mapungubwe Limpopo Valley southern African kingdoms gold trade social stratification K2 settlement
W_3_24 Verified World Civilizations

W_3_24 — Nok Culture

The Nok culture (c. 1500 BCE – 500 CE) of central Nigeria produced sub-Saharan Africa's earliest-known large-scale terracotta sculpture tradition and some of the continent's earliest evidence for iron smelting. First ide

Nok culture terracotta West African Iron Age Nigeria Jos Plateau iron smelting
W_2_14 Credible World Civilizations

W_2_14 — Song Dynasty: Chinese Technological Renaissance

The Song Dynasty (960–1279 CE) — divided into the Northern Song (960–1127, capital Kaifeng) and the Southern Song (1127–1279, capital Hangzhou/Lin'an after the loss of northern China to the Jurchen Jin dynasty) — represe

Song Dynasty Northern Song Southern Song Kaifeng Hangzhou gunpowder
W_2_04 World Civilizations

W_2_04 — Tibetan Buddhism, Bön, and Hidden Knowledge (Terma)

Tibet's religious traditions represent one of the world's most elaborate systems for the exploration and mapping of consciousness states — from the Six Yogas of Naropa to the Dzogchen practices of pristine awareness, fro

Tibet Tibetan Buddhism Vajrayana Bön Bönpo terma
W_2_26 Verified World Civilizations

W_2_26 — Mauryan and Ashokan Empire

The Mauryan Empire (c. 322–185 BCE) was the first empire to unify nearly the entire Indian subcontinent under a single political authority, stretching at its zenith from Afghanistan and Baluchistan in the west to Bengal

Maurya Ashoka Chandragupta Arthashastra Kautilya Pataliputra
W_2_01 World Civilizations

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

Jōmon pottery cord-marked Ōdai Yamamoto dogū shakōki-dogū
W_5_02 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 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_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_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_19 Verified World Civilizations

W_5_19 — The Hanseatic League: Northern European Commercial Dominance

The Hanseatic League (Hanse, from Middle Low German hansa = "convoy, association") was a medieval and early modern commercial confederation of merchant guilds and their market towns, dominating trade across the Baltic Se

Hanseatic League Hansa Lübeck kontor Bruges Bergen
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
ZH_4_04 Credible Archaeoastronomy

ZH_4_04 — Dogon Astronomy: Sirius B Debate and Modern Assessment

The Dogon are a West African people living on the Bandiagara Escarpment in Mali, known for a complex cosmological system documented by the French anthropologist Marcel Griaule in a series of publications beginning in 194

Dogon Sirius B Sirius white dwarf Griaule Marcel Griaule
ZH_4_13 Verified Archaeoastronomy

ZH_4_13 — African Stellar Calendars: Borana, Mursi, Tswana

African stellar calendars represent some of the most sophisticated naked-eye observational systems in the ethnographic record, yet remain among the least studied in archaeoastronomy — a gap that reflects colonial biases

African astronomy Borana calendar Mursi calendar Tswana star lore ethnoastronomy indigenous calendar