AP World History: Must‑Know Dates, Events, and People

A concise study guide based on the official AP World History: Modern time periods.


Vital AP Test Information and Specific Events

To excel in the AP World History exam, focus on understanding the causes and effects of major events, key developments in trade and technology, and the roles of influential leaders. Pay special attention to how different regions interacted through trade, conquest, and cultural exchange.

Period 1: 1200–1450

  • 1206 — Genghis Khan unites Mongol tribes, beginning Mongol Empire expansion.

  • 1325 — Founding of Tenochtitlan, capital of the Aztec Empire.

  • 1347–1351 — Black Death spreads across Eurasia, drastically reducing populations.

Period 2: 1450–1750

  • 1492 — Christopher Columbus reaches the Americas, initiating European colonization.

  • 1517 — Martin Luther’s 95 Theses spark the Protestant Reformation.

  • 1600 — Establishment of the British East India Company, marking increased European involvement in Asia.

Period 3: 1750–1900

  • 1776 — American Declaration of Independence.

  • 1789 — Start of the French Revolution.

  • 1884–1885 — Berlin Conference divides Africa among European powers.

Period 4: 1900–Present

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  • 1914–1918 — World War I reshapes global politics.

  • 1945 — End of World War II; beginning of the United Nations.

  • 1947 — Indian independence and partition.

  • 1991 — Collapse of the Soviet Union, ending the Cold War.


Period 1: 1200–1450

Key Dates

  • 1200 — Starting point of the AP curriculum; major civilizations flourishing.

  • 1450 — Symbolic end of the medieval era; rise of European exploration.

Important Civilizations & States

  • Song Dynasty (China) — Neo-Confucianism, gunpowder, champa rice.

  • Abbasid Caliphate (declining), followed by new Islamic states like the Delhi Sultanate.

  • Mali Empire — Wealth from trans-Saharan trade.

  • Aztec & Inca Empires — Mesoamerican and Andean powerhouses.

  • Mongol Empire — Largest land empire; revitalized Silk Roads.

Major Events & Developments

  • Expansion of Silk Road, Indian Ocean, and Trans-Saharan trade.

  • Mongol conquests connecting Eurasia.

  • Spread of technologies: paper, gunpowder, navigational tools.

Key People

  • Genghis Khan — Founder of the Mongol Empire.

  • Mansa Musa — Mali emperor known for wealth and pilgrimage.


Period 2: 1450–1750

Key Dates

  • 1450 — Start of European maritime exploration.

  • 1750 — Beginning of industrialization.

Major Empires

  • Land-Based Empires: Ottoman, Safavid, Mughal, Russia, Qing.

  • Sea-Based Empires: Portugal, Spain, England, France, Netherlands.

Major Events & Developments

  • Columbian Exchange — Transfer of plants, animals, diseases.

  • Rise of Atlantic slave trade.

  • Gunpowder empires consolidating power.

  • Global silver trade linking Americas and Asia.

Key People

  • Suleiman the Magnificent — Ottoman ruler.

  • Akbar the Great — Mughal emperor.

  • Christopher Columbus — Initiated sustained European contact with the Americas.

  • Tokugawa Ieyasu — Unified Japan.


Period 3: 1750–1900

Key Dates

  • 1750 — Industrial Revolution begins.

  • 1900 — Industrialization spreads globally.

Major Events & Developments

  • Industrial Revolution — Mechanization, factories, urbanization.

  • Enlightenment — Ideas of liberty, equality, rights.

  • Atlantic Revolutions: American, French, Haitian, Latin American.

  • Second wave of imperialism — Scramble for Africa, Asia.

  • Migration patterns: indentured labor, global movement.

Key People

  • Adam Smith — Economic liberalism.

  • Karl Marx — Critique of capitalism.

  • Toussaint Louverture — Leader of Haitian Revolution.

  • Simón Bolívar — Latin American independence.


Period 4: 1900–Present

Key Dates

  • 1900 — Symbolic start of the modern era.

  • Present — Contemporary global world.

Major Events & Developments

  • World War I and World War II.

  • Decolonization across Africa, Asia, Middle East.

  • Cold War — U.S. vs. USSR.

  • Globalization — Economic, cultural, technological integration.

  • Rise of international organizations: UN, NATO, World Bank.

Key People

  • Gandhi — Indian independence.

  • Nelson Mandela — Anti-apartheid leader.

  • Mikhail Gorbachev — Reforms leading to USSR collapse.

  • Mao Zedong — Chinese Communist Revolution.


Quick Timeline Summary

  • 1200 — Start of AP World curriculum.

  • 1450 — European exploration begins.

  • 1750 — Industrial Revolution begins.

  • 1900 — Modern era begins.

  • Present — Globalized world.