Teahann Datasets & Knowledge Base

Ancient & Imperial China 214 entries Confucian, Daoist & Legalist thought, I Ching cosmology, imperial dynasties, and classical timber & palace architecture Ancient Egypt 109 entries Ennead & Ogdoad pantheon, Book of the Dead & Duat cosmology, pyramids, temples, pharaohs, and hieroglyphs Ancient Rome 117 entries Roman Republic & Empire, state religion, Stoic philosophy, imperial engineering monuments, and decisive battles Classical Greece 206 entries Olympian & chthonic pantheon, Homeric epics, Pre-Socratic & Athenian philosophy, sanctuaries, and polis history Mesoamerica & Andes 119 entries Maya, Aztec, Olmec & Inca pantheons, Popol Vuh & codices, Long Count calendars, pyramids, and Andean citadels Mesopotamia 193 pages Sumerian, Akkadian, Babylonian, and Assyrian deities (Oracc AMGG), cuneiform epics, city-states, and rulers Norse & Germanic 68 entries Æsir & Vanir gods, Nine Realms cosmology, Poetic & Prose Eddas, sagas, runes, and stave architecture Vedic & Classical India 198 entries Vedic & Purāṇic pantheon, Upaniṣads, Mahabharata & Ramayana, Buddhist & Vedantic philosophy, and rock-cut temples

Architecture 3,746 pages Global buildings & monuments, master architects, structural elements, movements, styles, and vernacular traditions Harry Potter 1,772 pages Spells & incantations, characters, Hogwarts houses, magical artifacts, creatures, locations, and canon books History 118 entries Ancient civilizations, world empires, historical eras, decisive battles, and pivotal figures Linguistics 110 entries World language families, 40 writing systems & scripts, phonetics, syntax, dialects, and linguists Music 84 entries Acoustic physics, playable tuning frequencies, musical instruments, harmony theory, genres, and composers Mythology 617 pages Comparative world pantheons, mythical creatures, sacred places, rituals, symbolism, and canonical epics Philosophy 1,934 pages Philosophers across eras, core branches, philosophical movements, canonical texts, and contemporary topics

Computing 52 entries Programming languages, foundational computer science concepts, landmark machines, and pioneers Cybersecurity 109 entries CWE vulnerability classes, post-quantum & modern cryptography, attack vectors, malware, and defense mechanisms Mathematics 47 entries Branches of pure & applied mathematics, fundamental theorems & proofs, constants, and mathematicians Ports 6,031 ports Complete IANA TCP, UDP, and SCTP network port assignments (0–49151) with RFC specifications Web APIs 78 APIs Live browser capability detection, W3C/WHATWG specifications, Baseline status, and interactive sandboxes

Astronomy 156 entries Solar system planetary metrics, 45 Messier/NGC galaxies, 88 IAU constellations, and relativistic astrophysics Botany 82 entries Medicinal herbs, mycology & fungi, bioactive phytochemicals, terrestrial biomes, and flora Chemistry 272 entries Interactive 118-element periodic table, named reactions, engineering materials, polymers, and lab equipment Geography 33 features Major world oceans, river basins, mountain peaks, and arid desert systems with comparative scale metrics Human 4,200+ pages Pharmacology, nutrition & foods, biological pathways, receptors, genetics, neural anatomy, and organ systems Physics 172 entries PDG particle physics & decay fractions, CODATA fundamental constants, quantum & classical mechanics, and WebAssembly simulator