Compendium
A browsable reference to the people, works, events, and ideas worth knowing, organized by subject.
Literature & Language
American Literature
Major American authors, works, and movements from the colonial era to today.
British & Irish Literature
English and Irish authors and works from Beowulf to the present.
World Literature
Major non-English-language authors and works across world traditions.
Classical Literature
Greek and Latin epic, drama, poetry, and prose of antiquity.
Modern & Contemporary Literature
20th- and 21st-century global literature, movements, and major figures.
Literary Terms & Devices
Rhetorical figures, forms, genres, and critical vocabulary.
Literary Prizes
Major literary awards and notable laureates.
Linguistics
The structure of language: phonology, syntax, semantics, and historical change.
Poetry
Major poems, poetic forms, and movements as study answerlines.
Myth & Belief
Greco-Roman Mythology
Olympian gods, heroes, and myths of Greece and Rome.
World Mythology
Norse, Egyptian, Hindu, Mesopotamian, Celtic, Japanese, Mesoamerican, Finnish, African, Polynesian, Slavic, and other mythological traditions.
World Religions
Beliefs, texts, and history of the major world religions.
History
Ancient History
Mesopotamia, Egypt, Greece, Rome, and the classical world.
American History
U.S. history from colonization through the present, with presidents and turning points.
European History
Europe from the Middle Ages through the 20th century.
World History & Empires
Major civilizations and empires of Asia, Africa, and the Americas.
The Modern World (1945-Present)
The Cold War, decolonization, globalization, and 21st-century events.
Wars, Battles & Conflicts
Major wars, decisive battles, revolutions, and their outcomes.
Documents, Laws & Court Cases
Foundational documents, treaties, and landmark legal decisions.
Explorers & Exploration
Voyages of discovery by land and sea across the ages.
Fine & Performing Arts
Artists & Artworks
Major painters, sculptors, and their defining works.
Art Movements
Styles and schools from the Renaissance to contemporary art.
Architecture
Architectural styles, landmark buildings, and major architects.
Classical Music
Composers, eras, and major works of the Western classical tradition.
Music Theory
Notation, harmony, form, and the vocabulary of music.
Popular Music
Jazz, blues, rock, hip-hop, and popular genres and artists.
Film
Major directors, films, movements, and the history of cinema.
Theater & Dance
Drama, playwrights, ballet, and the performing arts.
Opera
Operas, composers, forms, and famous houses as study answerlines.
Science
Astronomy
Stars, the solar system, galaxies, cosmology, and the history of space exploration.
Physics
Mechanics, thermodynamics, electromagnetism, relativity, and quantum theory.
Particle & Nuclear Physics
Subatomic particles, the Standard Model, and nuclear processes.
Chemistry
Elements, bonding, reactions, and the organization of the periodic table.
Biology
Cells, genetics, evolution, physiology, and the diversity of life.
Earth & Climate Science
Geology, the atmosphere, oceans, and the climate system.
Mathematics
Branches, theorems, constants, and famous problems of mathematics.
Medicine & Anatomy
Human anatomy, disease, and milestones in medicine.
Inventions & Discoveries
Key inventions and scientific discoveries and who made them.
Technology & Computing
Computing History
From mechanical calculators to the modern computer.
Computer Science
Algorithms, data structures, theory, and programming concepts.
AI & Machine Learning
Concepts, milestones, and key ideas in artificial intelligence.
The Internet & Networking
How networks and the web work, and their history.
Mind & Society
Philosophy
Major philosophers, schools, and problems from antiquity to now.
Psychology & Neuroscience
The brain, behavior, cognition, and influential studies.
Economics
Micro and macro concepts, schools of thought, and key economists.
Political Science & Government
Systems of government, political theory, and institutions.
Geography
Physical and human geography: capitals, features, and terms.
Anthropology
Human origins, culture, kinship, and major anthropologists.
Sociology
Social structure, theory, and major sociological thinkers.