History, with the timeline drawn
Events in order, sources weighed, and the why behind them.
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64 courses
Grades 3 to 5
Social studies, grades 3 to 5
- Maps, globes and geography skills
- Earth's regions and how people live
- Communities and cultures around the world
- Learning about the past: timelines, artifacts and sources
- Indigenous peoples and early societies
- Exploration, trade and meeting new cultures
- Rules, government and being a citizen
- Work, money and trade
- Migration and changing communities
- The history of your country
Grades 6 to 8
World history and geography, grades 6 to 8
- Thinking like a historian: sources, evidence and time
- Early humans and the first farmers
- Mesopotamia and ancient Egypt
- Ancient India and China
- Ancient Greece
- Ancient Rome
- The spread of world religions
- The Islamic world and African kingdoms
- Medieval Europe and the Byzantine Empire
- China, Japan, Korea and the Mongols
- The Maya, Aztec and Inca
- Renaissance, Reformation and the Scientific Revolution
- Exploration, empires and the Atlantic world
- The age of revolutions
- The Industrial Revolution and the modern world
High school
World history
- The world before 1200
- Empires and exchange, 1200 to 1450
- Renaissance and Reformation
- Land and sea empires, 1450 to 1750
- Enlightenment and the age of revolutions
- Industrialization and its effects
- Imperialism and colonialism
- World War I and the years between the wars
- World War II and the Holocaust
- The Cold War
- Decolonization and independence movements
- Globalization and the world today
US history
- Indigenous America and European colonization
- The road to revolution and independence
- The Constitution and the early republic
- Expansion, reform and a growing nation
- Slavery, sectional conflict and the Civil War
- Reconstruction
- Industry, immigration and the Gilded Age
- The Progressive Era and overseas expansion
- World War I and the 1920s
- The Great Depression and the New Deal
- World War II
- The Cold War and postwar America
- The civil rights movement
- The 1960s and 1970s
- The United States since 1980
Government and civics
- What government is and why it exists
- Forms of government around the world
- Constitutions and the rule of law
- Legislatures, executives and courts
- Rights, freedoms and responsibilities
- Elections, parties and voting
- Media, public opinion and civic life
- Local and national government
- International organizations and cooperation
- Taking civic action
Economics
- Scarcity, choice and opportunity cost
- Supply and demand
- Markets, prices and competition
- Market failures and the role of government
- Money, banks and interest
- Measuring the economy: GDP, inflation and unemployment
- Fiscal and monetary policy
- International trade and exchange rates
- Economic growth and development
- Personal finance: budgeting, saving and credit
AP courses
AP World History: Modern
- The global tapestry, 1200 to 1450
- Networks of exchange, 1200 to 1450
- Land-based empires, 1450 to 1750
- Transoceanic interconnections, 1450 to 1750
- Revolutions: the Enlightenment, nationalism and the start of industrialization, 1750 to 1900
- Consequences of industrialization: imperialism, resistance and migration, 1750 to 1900
- Global conflict, 1900 to the present
- Cold War and decolonization, 1900 to the present
- Globalization, 1900 to the present
AP US History
- Period 1: 1491 to 1607 (Native societies, contact and Spanish colonization)
- Period 2: 1607 to 1754 (English, French and Dutch colonies, trade and slavery)
- Period 3: 1754 to 1800 (The Seven Years' War, the Revolution and the Constitution)
- Period 4: 1800 to 1848 (The early republic, the market revolution and Jacksonian democracy)
- Period 5: 1844 to 1877 (Manifest destiny, slavery, the Civil War and Reconstruction)
- Period 6: 1865 to 1898 (Industrialization, immigration, the West and the Gilded Age)
- Period 7: 1890 to 1945 (Progressivism, empire, the world wars, the 1920s and the New Deal)
- Period 8: 1945 to 1980 (The Cold War, civil rights and the Great Society)
- Period 9: 1980 to the present (Conservatism, globalization and the twenty-first century)
AP US Government and Politics
- Foundations of American democracy
- Interactions among branches of government
- Civil liberties and civil rights
- American political ideologies and beliefs
- Political participation
AP Human Geography
- Thinking geographically
- Population and migration
- Cultural patterns and processes
- Political patterns and processes
- Agriculture and rural land use
- Cities and urban land use
- Industrial and economic development
AP Psychology
- Biological bases of behavior
- Cognition
- Development and learning
- Social psychology and personality
- Mental and physical health
College
Modern World History
- The global tapestry, 1200 to 1450
- Networks of exchange, 1200 to 1450
- Land-based empires, 1450 to 1750
- Transoceanic interconnections, 1450 to 1750
- Revolutions: the Enlightenment, nationalism and the start of industrialization, 1750 to 1900
- Consequences of industrialization: imperialism, resistance and migration, 1750 to 1900
- Global conflict, 1900 to the present
- Cold War and decolonization, 1900 to the present
- Globalization, 1900 to the present
United States History
- Period 1: 1491 to 1607 (Native societies, contact and Spanish colonization)
- Period 2: 1607 to 1754 (English, French and Dutch colonies, trade and slavery)
- Period 3: 1754 to 1800 (The Seven Years' War, the Revolution and the Constitution)
- Period 4: 1800 to 1848 (The early republic, the market revolution and Jacksonian democracy)
- Period 5: 1844 to 1877 (Manifest destiny, slavery, the Civil War and Reconstruction)
- Period 6: 1865 to 1898 (Industrialization, immigration, the West and the Gilded Age)
- Period 7: 1890 to 1945 (Progressivism, empire, the world wars, the 1920s and the New Deal)
- Period 8: 1945 to 1980 (The Cold War, civil rights and the Great Society)
- Period 9: 1980 to the present (Conservatism, globalization and the twenty-first century)
Introduction to American Government
- Foundations of American democracy
- Interactions among branches of government
- Civil liberties and civil rights
- American political ideologies and beliefs
- Political participation
Introduction to Human Geography
- Thinking geographically
- Population and migration
- Cultural patterns and processes
- Political patterns and processes
- Agriculture and rural land use
- Cities and urban land use
- Industrial and economic development
Introduction to Psychology
- Biological bases of behavior
- Cognition
- Development and learning
- Social psychology and personality
- Mental and physical health
Introduction to Business
- The business environment
- Ethics and social responsibility
- Business in a global economy
- Forms of business ownership
- Entrepreneurship and small business
- Management and operations
- Human resources and motivation
- Marketing fundamentals
- Accounting and finance basics
Principles of Management
- Managers and management
- The evolution of management thought
- Environment, culture and global management
- Planning and strategic management
- Managerial decision making
- Organizational structure and design
- Motivation
- Leadership
- Teams, communication and conflict
- Control and organizational change
Principles of Marketing
- Marketing and customer value
- Strategic planning and the marketing environment
- Marketing research and analytics
- Consumer and business buyer behavior
- Segmentation, targeting and positioning
- Products, services and brands
- Pricing
- Marketing channels and supply chains
- Integrated marketing communications
- Digital, global and sustainable marketing
- Customer analytics
Financial Accounting
- The accounting equation and statements
- The recording process
- Accrual accounting and the accounting cycle
- Merchandising and inventory
- Cash and receivables
- Property, plant and equipment and intangibles
- Liabilities
- Stockholders' equity
- The statement of cash flows
- Financial statement analysis
Managerial Accounting
- Managerial accounting and cost concepts
- Cost behavior
- Cost-volume-profit analysis
- Job-order costing
- Process costing
- Activity-based and variable costing
- Budgeting
- Standard costs and variances
- Relevant costs for decisions
- Capital budgeting decisions
- Decentralization and performance measurement
Corporate Finance
- Foundations of corporate finance
- Annuities, perpetuities and interest rates
- Capital budgeting
- Interest rates and bond valuation
- Stock valuation
- Risk and return
- Beta, CAPM and market efficiency
- Cost of capital
- Capital structure
- Dividends and payout policy
- Short-term finance and working capital
Investments
- The investment environment
- Risk and return
- Portfolio theory
- Asset pricing models
- Market efficiency and behavioral finance
- Bond prices and yields
- Equity valuation
- Options
- Futures, forwards and swaps
- Portfolio performance evaluation
Personal Finance
- Financial planning foundations
- Budgeting and saving
- Banking and payment services
- Taxes
- Credit and debt
- Housing and major purchases
- Insurance and risk management
- Investing basics
- Retirement planning
- Estate planning and financial protection
Financial Markets and Institutions
- An overview of the financial system
- Money and interest rates
- The risk and term structure of interest rates
- Central banks and monetary policy
- Banking and the management of financial institutions
- Financial regulation
- Money and bond markets
- Stock and foreign exchange markets
- Derivatives markets
- Financial crises
Principles of Microeconomics
- Scarcity, choice and the gains from trade
- Supply and demand
- Elasticity
- Market efficiency and government policy
- Consumer choice
- Production and costs
- Perfect competition
- Monopoly
- Oligopoly and monopolistic competition
- Markets for factors of production
- Externalities and public goods
- Inequality and poverty
Principles of Macroeconomics
- Measuring national income
- Measuring the cost of living
- Unemployment
- Production and long-run growth
- Saving, investment and the financial system
- Money and banking
- Aggregate demand and aggregate supply
- Monetary and fiscal policy
- Inflation and unemployment tradeoff
- The open economy
Intermediate Microeconomics
- Preferences and utility
- Budget constraints and optimal choice
- Demand and the Slutsky equation
- Labor supply and intertemporal choice
- Choice under uncertainty
- Technology, production and cost
- Competitive markets
- General equilibrium and welfare
- Monopoly and pricing
- Game theory and oligopoly
- Asymmetric information and externalities
Intermediate Macroeconomics
- National accounts and macro data
- The Solow growth model
- Endogenous growth
- Labor markets and unemployment
- Short-run fluctuations: IS-LM
- The open economy in the short run
- Aggregate supply and expectations
- Consumption theory
- Investment and intertemporal models
- Monetary policy
- Fiscal policy and government debt
Introduction to Econometrics
- The simple regression model
- Multiple regression
- Inference with OLS
- Functional form and dummy variables
- Heteroskedasticity and specification
- Instrumental variables
- Panel data methods
- Policy evaluation designs
- Time series regression
- Limited dependent variable models
Game Theory
- Games and payoffs
- Nash equilibrium
- Mixed strategies
- Dynamic games and subgame perfection
- Repeated games
- Incomplete information and Bayesian games
- Signaling and screening
- Bargaining and applications
International Economics
- Classical and factor-based trade theory
- Increasing returns and the gravity model
- Tariffs, quotas and subsidies
- Trade agreements and blocs
- Open-economy accounting
- Exchange rate determination
- Macroeconomic policy under exchange rate regimes
- Currency crises, capital flows and sovereign debt
Public Economics
- Efficiency and the role of government
- Externalities
- Public goods
- Tax incidence and efficiency
- The income tax and behavior
- Education and health policy
- Redistribution and the safety net
- Social insurance and the budget
Labor Economics
- Labor supply
- Labor demand
- Human capital
- Wage structure and inequality
- Discrimination
- Personnel economics and compensation
- Unions and immigration
- Unemployment and labor mobility
Development Economics
- Measuring development and poverty
- Neoclassical growth
- Endogenous growth and technology
- Structural change and the dual economy
- Health, education and population
- Credit, risk and institutions
- Policy, aid and evidence
- Trade, resources and the environment
Business Analytics
- Descriptive analytics and visualization
- Probability and decision trees
- Sampling and A/B tests
- Regression and forecasting
- Linear programming
- Simulation and Monte Carlo
- Revenue management and inventory
- Intro to predictive classification
Operations and Supply Chain Management
- Process analysis
- Queues and variability
- Quality and Six Sigma
- Inventory management
- Lean and just in time
- Supply chain management
- Project management
- Forecasting and planning
Entrepreneurship and New Ventures
- Opportunity and the entrepreneurial mindset
- Customer discovery and validation
- Business models and go to market
- Market sizing and unit economics
- Financial projections
- Intellectual property and legal structure
- Financing and valuation
- Growth, exits and pitching
Business Law and Ethics
- The legal system and courts
- Torts and product liability
- Contract formation
- Defenses, breach and remedies
- Sales, agency and employment
- Business organizations and credit
- Bankruptcy, securities and IP
- Ethics and corporate responsibility
Real Estate Principles
- Property types and markets
- Property rights and ownership
- Leases and rents
- Valuation and appraisal
- Mortgage basics
- Investment metrics
- The development process
- Market cycles and risk
Real Estate Finance and Investment
- Time value of money
- Mortgage loans, ARMs and APR
- Underwriting and credit
- NOI and the pro forma
- DCF, NPV and IRR
- Leverage, taxes and depreciation
- REITs and mortgage securities
- Joint ventures and equity waterfalls
Real Estate Development
- The development process
- Market analysis
- Site selection and analysis
- Entitlement and approvals
- The development budget and land value
- Construction financing and draws
- The development pro forma
- Leasing, exit and risk
Urban Economics and Land Use
- Why cities exist
- Bid-rent and the monocentric city
- Suburbanization and polycentric cities
- Housing markets and supply
- Zoning and land use regulation
- Transportation and congestion
- Local public finance and sorting
- Planning and growth management
Real Estate Law
- Property rights and estates
- Concurrent ownership and common interests
- Contracts and agency
- Deeds, title and recording
- Mortgages and foreclosure
- Landlord and tenant law
- Land use, zoning and takings
- Environmental, fair housing and closing
Comparative Politics
- The comparative method
- The state and state formation
- Nations and nationalism
- Political economy and development
- Democracy and its measurement
- Democratization and backsliding
- Authoritarian regimes
- Presidential and parliamentary systems
- Electoral systems
- Parties and party systems
- Federalism and constitutional design
- Contention and political violence
International Relations
- Studying international relations
- Realism
- Liberalism and institutions
- Constructivism and critical approaches
- The international system to 1945
- The Cold War and after
- War and bargaining
- Deterrence and nuclear weapons
- Terrorism and counterterrorism
- International organizations, law and human rights
- Trade and finance
- Development, globalization and the global commons
Political Theory
- Plato and Aristotle
- Machiavelli
- Hobbes
- Locke
- Rousseau
- Utilitarianism and Mill on liberty
- Marx and Marxism
- Rawls and justice
- Nozick and communitarianism
- Democratic theory
- Feminist political theory
- Power and legitimacy
- Ethics and society
Research Methods in Political Science
- The scientific study of politics
- Concepts and measurement
- Research design
- Experiments
- Surveys and sampling
- Case studies and process tracing
- Descriptive statistics
- Statistical inference
- Correlation and regression
- Causal inference
- Research ethics and transparency
The US Congress
- Elections and incumbency
- Representation
- Committees
- Parties and leadership
- Floor procedure and the filibuster
- How a bill becomes law
- Congress, the president and the bureaucracy
- Lobbying and interest groups
The American Presidency
- Constitutional design of the presidency
- Nomination and elections
- Theories of presidential power
- The president and Congress
- The bureaucracy and the executive office
- Foreign policy and war powers
- The president and the public
- Historical development of the presidency
Constitutional Law and the Supreme Court
- Judicial review
- Federalism and the commerce power
- Separation of powers
- Equal protection and race
- Free speech
- Religion and the Constitution
- Privacy, due process and the rights of the accused
- Judicial politics
Public Opinion, Voting and Elections
- How opinions form
- Polling and sampling
- Partisanship and polarization
- Turnout
- Vote choice and the spatial model
- Campaigns and money
- Redistricting and election law
- Party realignments
Political Economy
- Collective action and public goods
- States and markets
- Varieties of capitalism and welfare states
- Institutions and development
- Corruption, oil and aid
- The politics of trade
- Money and finance
- Globalization and backlash
Politics of China
- Late Qing and revolution
- Nationalists, communists and war
- Building the People's Republic
- The Cultural Revolution and Mao's end
- Reform since 1978
- Party-state institutions
- Economy, society and protest
- Nationalism, foreign policy and the periphery
Latin American Politics
- Colonial legacies and independence
- Import substitution and populism
- Coups and bureaucratic authoritarianism
- Revolution
- Transitions to democracy
- Mexico: the PRI and its fall
- The left turn and inequality
- Crime, drugs and the United States
European Politics and the European Union
- Political development of Western Europe
- Britain and the Westminster model
- France and semi-presidentialism
- Germany: federalism and the mixed system
- Nordic welfare states
- European integration history
- EU institutions
- The euro crisis, Brexit and populism
East Asian History
- Early China and the classical tradition
- Tang, Song and the spread of Buddhism and Chinese institutions
- Mongols and Ming
- Tokugawa Japan and Joseon Korea
- Qing China and the Western challenge
- Meiji Japan
- Revolution in China, 1911 to 1949
- Japanese empire and war in the Pacific
- Postwar East Asia
Race and Ethnicity in the United States
- Slavery and the making of race
- Emancipation, Reconstruction and Jim Crow
- The Great Migration and the civil rights movement
- Asian American history
- European immigrants and whiteness
- Mexican American history
- Native nations and the United States
- Immigration law over time
Global Environmental History
- Humans in nature: foundations
- The Neolithic revolution
- The Columbian Exchange and the first global era, 1400 to 1750
- Plantations, silver and commodity frontiers
- Industrial revolutions and fossil fuels
- Empire, resources and landscapes
- The Great Acceleration since 1945
- Environmental movements and climate politics
Science, Technology and Medicine in History
- Ancient and medieval science
- The Scientific Revolution
- The industrial revolution's technologies
- Darwin and the life sciences
- Epidemics and sanitation
- Germ theory, vaccines and global health
- Twentieth-century big science
- The computer and the internet
Modern European History
- Enlightenment and the old regime
- French Revolution and Napoleon
- Industrialization
- 1848 and nationalism
- Imperialism
- World War I and the Russian Revolution
- Interwar crisis and fascism
- World War II and the Holocaust
- Europe since 1945
Latin American History
- Pre-Columbian societies
- Conquest, colonial society and economy
- Independence movements, 1808 to 1825
- State formation and caudillos
- Export economies
- The Mexican Revolution
- Populism and the twentieth century
- Cold War revolutions and dictatorships
- Brazil
History of the Middle East
- The rise of Islam and the caliphates
- Medieval dynasties, Crusades and Mongols
- The Ottoman, Safavid and Mughal empires
- Nineteenth-century reforms and European imperialism
- World War I and the mandates
- Nationalism and independence
- The Arab-Israeli conflict
- Oil and the Iranian revolution
- The region since 1990
US Foreign Relations
- Founding diplomacy
- Continental expansion, Monroe and Manifest Destiny
- 1898 and the overseas empire
- World War I and Wilson
- The interwar years and World War II
- Cold War containment
- Vietnam
- The end of the Cold War
- After 9/11
How Helio teaches it
Timelines and maps
Helio draws events in order as it explains them.
Sources and evidence
Ask who wrote a source, when, and why.
Civics and economics
Government, money and markets, up to AP.
Helio checks math. In other subjects it can be wrong, so ask why.