AP US History Review: Periods, Key Events & Practice Cards

The AP US History exam covers more than 500 years of material. Nine chronological periods, hundreds of names and dates, recurring themes that weave through every century, and a writing component that asks you to argue from evidence under tight time pressure. Students who try to read their textbook cover-to-cover in the final weeks before the exam usually run out of time before they reach the Cold War.

The good news: the exam is structured. The College Board breaks the course into nine periods with defined themes, and most questions cluster around a smaller set of high-yield events and concepts. A focused review plan that uses spaced repetition to lock down evidence, plus deliberate practice on the writing tasks, will outperform passive rereading every time. A meta-analysis of 254 studies found that spacing practice over time outperformed massed study in nearly every condition tested.

This guide walks through each period, highlights the events and themes the exam emphasizes, and gives you a realistic study timeline.

How the AP US History Exam Works

The exam is three hours and fifteen minutes long and has four sections:

• Section I, Part A: Multiple Choice: 55 questions in 55 minutes. Most questions reference a primary or secondary source.
• Section I, Part B: Short Answer: 3 questions in 40 minutes. Brief written responses tied to historical evidence.
• Section II, Part A: Document-Based Question (DBQ): 1 question in 60 minutes (including a 15-minute reading period). Argue a thesis using 7 provided documents plus outside evidence.
• Section II, Part B: Long Essay Question (LEQ): 1 question in 40 minutes. Choose one of three prompts and argue from your own knowledge.

The DBQ alone counts for 25 percent of your final score. The LEQ counts for 15 percent. Together, the two essays decide nearly half the exam, which is why writing practice matters as much as memorization.

The course is built around seven recurring themes: American and National Identity, Work/Exchange/Technology, Geography and the Environment, Migration and Settlement, Politics and Power, America in the World, and American and Regional Culture. Every period touches multiple themes. When you review, ask which themes a given event illustrates. The free response prompts almost always organize around them.

Period 1: 1491-1607 (Pre-Columbian and Early Contact)

This is the smallest period on the exam, accounting for roughly 4 to 6 percent. It establishes the world before sustained European colonization.

Key events and concepts:

• Pre-Columbian societies: diversity of Native American cultures across regions (Pueblo, Iroquois, Mississippian, Plains, Pacific Northwest). Each adapted to local geography and resources.
• Columbian Exchange: transfer of plants, animals, diseases, and people between the Americas, Europe, and Africa after 1492. Catastrophic disease impact on Native populations.
• Spanish colonization: encomienda system, conversion to Catholicism, racial caste system (peninsulares, criollos, mestizos, mulattos), silver mining, and the missions of the Southwest.
• Early French and Dutch presence: focus on fur trade, alliance with Native nations, less land-intensive than Spanish or English models.

What the exam emphasizes: Comparison between European colonization models, demographic catastrophe in the Americas, and how the Columbian Exchange reshaped global economies. Expect questions that ask you to contrast Spanish, French, Dutch, and English approaches.

Flashcard focus: Native culture regions, encomienda system, Columbian Exchange items in both directions, and the casta hierarchy.

Period 2: 1607-1754 (Colonial Settlement)

This period covers the establishment of the thirteen colonies. It accounts for 6 to 8 percent of the exam.

Key events and concepts:

• Chesapeake colonies (Jamestown, 1607): tobacco economy, headright system, indentured servitude shifting toward racialized slavery after Bacon's Rebellion (1676).
• New England colonies: Pilgrims (1620), Puritans (Massachusetts Bay, 1630), town meetings, mixed economy, Halfway Covenant, Salem witch trials (1692).
• Middle colonies: Pennsylvania (Quaker tolerance), New York (former Dutch), ethnic and religious diversity, breadbasket of the colonies.
• Southern colonies: plantation agriculture, growing reliance on enslaved African labor, Stono Rebellion (1739).
• Triangular trade and Middle Passage: the trans-Atlantic slave trade and its economic role.
• First Great Awakening (1730s-40s): Jonathan Edwards, George Whitefield, religious revivals that cut across colonial lines.
• Salutary neglect: loose British enforcement of mercantilist regulations, allowing colonial self-government to develop.

What the exam emphasizes: Regional differences between Chesapeake, New England, Middle, and Southern colonies. The shift from indentured servitude to chattel slavery. How salutary neglect set up the resistance that followed.

Flashcard focus: Founding dates of each colony, regional economic differences, key rebellions (Bacon's, Pueblo Revolt, Stono), and First Great Awakening figures.

Period 3: 1754-1800 (Revolution and the New Republic)

This period covers the American Revolution and the founding of the United States. It accounts for 10 to 17 percent of the exam, making it one of the most heavily tested.

Key events and concepts:

• French and Indian War (1754-1763): British victory ends salutary neglect, triggers attempts to tax the colonies, Proclamation of 1763 limits western expansion.
• Imperial crisis: Stamp Act (1765), Townshend Acts (1767), Boston Massacre (1770), Tea Act and Boston Tea Party (1773), Coercive Acts (1774).
• Declaration of Independence (1776): Locke's natural rights, social contract, Common Sense (Thomas Paine).
• American Revolution: key battles (Lexington/Concord, Saratoga, Yorktown), French alliance after Saratoga, Treaty of Paris (1783).
• Articles of Confederation (1781-1789): weak central government, Shays' Rebellion (1786) exposes the flaws.
• Constitutional Convention (1787): Great Compromise, Three-Fifths Compromise, ratification debate (Federalists vs. Anti-Federalists), Bill of Rights (1791).
• Washington and Adams administrations: Hamilton's financial plan, Whiskey Rebellion, emergence of political parties (Federalists vs. Democratic-Republicans), Alien and Sedition Acts (1798).

What the exam emphasizes: Causes of the Revolution, ideological foundations of the Constitution, and the development of the first political parties. Expect document analysis questions on Federalist vs. Anti-Federalist arguments.

Flashcard focus: Major acts and their colonial responses, key Revolutionary battles, compromises in the Constitution, and the differences between Federalists and Democratic-Republicans.

Period 4: 1800-1848 (Early Republic and Reform)

This period covers the early decades of the American republic. It accounts for 10 to 17 percent of the exam.

Key events and concepts:

• Jeffersonian era: Louisiana Purchase (1803), Marbury v. Madison (1803, judicial review), Lewis and Clark expedition.
• War of 1812: causes (impressment, British support of Native resistance), Hartford Convention, end of Federalist Party, surge of nationalism.
• Era of Good Feelings: American System (Henry Clay), Missouri Compromise (1820), Monroe Doctrine (1823), McCulloch v. Maryland (1819).
• Jacksonian democracy: expansion of white male suffrage, spoils system, Bank War, nullification crisis (1832-33), Indian Removal Act (1830) and Trail of Tears.
• Market Revolution: canals, railroads, telegraph, factory system (Lowell Mills), shift from household to wage labor.
• Second Great Awakening: religious revivals fueling reform movements (abolitionism, temperance, women's rights, public education).
• Antebellum reform movements: Garrison and the Liberator, Frederick Douglass, Seneca Falls Convention (1848), Dorothea Dix and asylum reform.

What the exam emphasizes: How political democracy expanded for white men while contracting for Native Americans and remaining closed to women and the enslaved. The connection between economic transformation and reform movements.

Flashcard focus: Jackson's signature actions, Marshall Court decisions, Market Revolution technologies, and reform movement leaders.

Period 5: 1844-1877 (Manifest Destiny, Civil War, Reconstruction)

This period covers westward expansion, sectional conflict, and the aftermath of the Civil War. It accounts for 10 to 17 percent of the exam and is widely considered one of the most challenging.

Key events and concepts:

• Manifest Destiny and expansion: Texas annexation (1845), Mexican-American War (1846-1848), Treaty of Guadalupe Hidalgo, California Gold Rush (1849).
• Sectional crisis: Wilmot Proviso (1846), Compromise of 1850 (Fugitive Slave Act), Kansas-Nebraska Act (1854), Bleeding Kansas, Dred Scott v. Sandford (1857), John Brown's raid on Harpers Ferry (1859).
• Election of 1860: Lincoln's victory triggers secession, formation of the Confederacy.
• Civil War (1861-1865): Fort Sumter, Antietam, Emancipation Proclamation (1863), Gettysburg, Vicksburg, Sherman's March, Lincoln's reelection, Appomattox.
• Reconstruction (1865-1877): Lincoln's 10 percent plan, Andrew Johnson's leniency, Radical Reconstruction, Freedmen's Bureau, 13th, 14th, and 15th Amendments, Black Codes, KKK, sharecropping, Compromise of 1877 ending federal occupation.

What the exam emphasizes: The escalating sectional crisis as a chain of cause and effect, the meaning of emancipation, and why Reconstruction succeeded constitutionally but failed politically and socially. DBQs on this period are common.

Flashcard focus: Compromises and crises in chronological order, major Civil War battles with their significance, Reconstruction Amendments and their reach, and the differences between Lincoln, Johnson, and Radical Republican plans.

Period 6: 1865-1898 (Industrialization and the Gilded Age)

This period covers rapid industrialization and the social tensions it created. It accounts for 10 to 17 percent of the exam.

Key events and concepts:

• Industrialization: railroads (transcontinental completed 1869), steel (Carnegie), oil (Rockefeller), banking (J.P. Morgan), vertical and horizontal integration, robber barons vs. captains of industry debate.
• Labor movement: Knights of Labor, AFL (Samuel Gompers), Haymarket (1886), Homestead (1892), Pullman (1894) strikes.
• Immigration: shift from "old" (Northern/Western European) to "new" (Southern/Eastern European, Chinese) immigration, Ellis Island, Angel Island, Chinese Exclusion Act (1882), nativism.
• Urbanization: tenement living, political machines (Tammany Hall), settlement houses (Jane Addams, Hull House).
• Western settlement: Homestead Act (1862), Dawes Act (1887, Native land allotment), Battle of Wounded Knee (1890), Frederick Jackson Turner's frontier thesis (1893).
• Populist movement: farmer unrest, Grange movement, Populist Party platform, William Jennings Bryan's "Cross of Gold" speech (1896).
• Jim Crow South: Plessy v. Ferguson (1896, separate but equal), disenfranchisement, lynching, Booker T. Washington vs. W.E.B. Du Bois debate.

What the exam emphasizes: Tension between economic growth and social inequality, the experience of immigrants and migrants, and the federal government's response (or lack of response) to industrial-era problems.

Flashcard focus: Major industrialists and their industries, key labor strikes, immigration patterns and restrictions, and Supreme Court cases on race and federal power.

Period 7: 1890-1945 (Progressive Era, World Wars, Depression)

This period covers the rise of the United States as a global power. It accounts for 10 to 17 percent of the exam.

Key events and concepts:

• Progressive Era: muckrakers (Sinclair, Tarbell), 16th-19th Amendments (income tax, direct election of senators, Prohibition, women's suffrage), Theodore Roosevelt (Square Deal, trust-busting, conservation), Wilson's New Freedom.
• Spanish-American War (1898) and imperialism: acquisition of Puerto Rico, Guam, Philippines; debate over imperialism; Open Door Policy in China; Panama Canal.
• World War I (1917-1918): Lusitania, Zimmermann Telegram, Wilson's Fourteen Points, Treaty of Versailles, Senate rejection of League of Nations, Schenck v. United States (1919, "clear and present danger").
• 1920s: Red Scare, Harlem Renaissance, Great Migration, women's changing roles (flappers, 19th Amendment), prohibition, immigration restriction (1924 Quota Act), Scopes trial (1925), consumer economy.
• Great Depression: stock market crash (1929), Hoover's response, Dust Bowl, breadlines and Hoovervilles.
• New Deal: FDR's first 100 days, alphabet agencies (CCC, TVA, AAA, NRA, WPA, SSA), Wagner Act, court-packing controversy, realignment of African American voters to the Democratic Party.
• World War II (1941-1945): neutrality acts, Lend-Lease, Pearl Harbor, Pacific and European theaters, Manhattan Project, Japanese American internment (Korematsu v. United States, 1944), Holocaust, Yalta Conference, atomic bombs.

What the exam emphasizes: Domestic reform alongside expanding global engagement, the New Deal's expansion of federal authority, and how WWII transformed American society and the global order.

Flashcard focus: Progressive amendments, major New Deal programs by category (relief, recovery, reform), WWI and WWII causes and turning points, and Supreme Court cases on civil liberties during wartime.

Period 8: 1945-1980 (Cold War, Civil Rights, Sixties)

This period covers postwar America. It accounts for 10 to 17 percent of the exam.

Key events and concepts:

• Cold War origins: Truman Doctrine (1947), Marshall Plan, NATO (1949), containment policy, fall of China (1949), Korean War (1950-1953), McCarthyism, Sputnik (1957).
• Civil rights movement: Brown v. Board of Education (1954), Montgomery bus boycott (1955-56), sit-ins, Freedom Rides, March on Washington (1963), Civil Rights Act (1964), Voting Rights Act (1965), Black Power, MLK assassination (1968).
• Postwar prosperity: GI Bill, suburbanization, baby boom, interstate highway system (1956), consumer culture, conformity vs. counterculture.
• Kennedy and Johnson: New Frontier, Bay of Pigs, Cuban Missile Crisis (1962), Great Society, Medicare/Medicaid, War on Poverty, Immigration Act of 1965.
• Vietnam War: Gulf of Tonkin (1964), escalation, Tet Offensive (1968), antiwar movement, Pentagon Papers, Vietnamization, fall of Saigon (1975), War Powers Act (1973).
• Sixties social movements: feminism (Betty Friedan, NOW, Roe v. Wade 1973), Chicano movement, American Indian Movement, gay rights (Stonewall 1969), environmentalism (Earth Day 1970).
• Nixon and the seventies: détente, opening to China (1972), Watergate (1972-1974), stagflation, oil crises (1973, 1979), Carter and the Iran hostage crisis.

What the exam emphasizes: Cold War foreign policy decisions, the legal and grassroots dimensions of civil rights, and the ways the sixties expanded the rights revolution beyond African Americans.

Flashcard focus: Cold War doctrines and conflicts in chronological order, civil rights legislation and court cases, Great Society programs, and the major Sixties social movements with their leaders.

Period 9: 1980-Present (Conservative Resurgence, Globalization)

The newest period accounts for 4 to 6 percent of the exam. The College Board generally avoids the most recent decades for political reasons, so questions tend to cluster in the 1980s and 1990s.

Key events and concepts:

• Reagan Revolution: supply-side economics, deregulation, military buildup, Iran-Contra, end of the Cold War, fall of the Berlin Wall (1989), collapse of the Soviet Union (1991).
• 1990s: Persian Gulf War (1991), NAFTA (1994), Clinton impeachment (1998), economic boom, dot-com bubble.
• War on Terror: September 11 attacks (2001), USA PATRIOT Act, Afghanistan and Iraq wars, Guantanamo Bay debates.
• Domestic shifts: rising income inequality, immigration debates, expansion of LGBTQ rights (Obergefell v. Hodges, 2015), 2008 financial crisis, election of Barack Obama (2008), Affordable Care Act (2010).

What the exam emphasizes: Long-term shifts in political alignment, foreign policy after the Cold War, and how technology and globalization reshaped the economy and culture.

Flashcard focus: Reagan-era policies, end of the Cold War timeline, key court cases on civil rights, and major post-9/11 legislation.

Your AP US History Study Timeline

Here is a 10-week plan assuming 25 to 35 minutes of daily review:

Weeks 10-9: Periods 1-3. Build flashcards as you review pre-contact through the new republic. Add 20 to 30 cards per day. Start spaced repetition immediately so early cards begin entering long-term memory.

Weeks 8-7: Periods 4-5. Cover the early republic, Manifest Destiny, Civil War, and Reconstruction. Period 5 is dense, so spend extra time on causes-and-effects between the sectional crises.

Weeks 6-5: Periods 6-7. Industrialization, Progressive Era, World Wars, and the Great Depression. By now you have 250 or more cards in your deck and the earliest ones are at long intervals.

Weeks 4-3: Periods 8-9 plus first DBQ practice. Cover the Cold War through the present. Take your first timed DBQ using a released prompt from the College Board. Note which periods felt thin in your evidence and add targeted cards.

Week 2: Full practice exam. Take a full-length exam under timed conditions. Review what you missed and create comparison cards for any concepts you confused (e.g., Federalists vs. Democratic-Republicans, New Deal vs. Great Society).

Week 1: Refine and rehearse. Focus daily review on the cards you keep getting wrong. Write at least two more timed DBQs and one LEQ. Practice rapid thesis construction.

Final days: Light review only. Most cards in your deck should be at long intervals. Skim the cards you have missed most often, get sleep, and trust the work you have done.

For a detailed day-by-day approach, see our spaced repetition exam study plan.

Study Tips for AP US History

Anchor every fact to a theme. APUSH does not reward isolated facts. It rewards facts in service of an argument. When you make a flashcard, add a one-line note about which course theme the fact illustrates (e.g., "Wagner Act, 1935: Politics and Power, expanded federal labor rights"). This trains the connections the free response questions reward.

Build comparison cards for confusing pairs. The exam loves to test the difference between similar things: Federalists vs. Anti-Federalists, Hamilton vs. Jefferson, Lincoln's plan vs. Johnson's plan vs. Radical plan, Washington vs. Du Bois, New Deal vs. Great Society. Make a card for each pairing with a clear contrast on the back. This is active recall at its sharpest for this material.

Practice the DBQ as a separate skill. Flashcards build evidence. They do not build essay structure. Pull released DBQs from the College Board, set a 60-minute timer, and write full essays with all seven documents. Score yourself against the rubric. You will be surprised how quickly the structure becomes automatic with three or four full attempts.

Use specific evidence in every essay. The biggest difference between a 4 and a 6 on the LEQ is specificity. "African Americans gained civil rights in the 1960s" earns nothing. "The Civil Rights Act of 1964 banned discrimination in public accommodations and employment, and the Voting Rights Act of 1965 ended literacy tests" earns the evidence point. Flashcards build the specificity you need for the writing tasks. See our guide on making effective flashcards for formatting tips.

Sequence cards beat date-only cards. A flashcard that asks "When was the Stamp Act passed?" tests trivia. A flashcard that asks "Place these in order: Stamp Act, Boston Tea Party, Coercive Acts, Declaration of Independence" tests the chronological reasoning the exam actually rewards. Build a few of these per period.

Twenty minutes daily beats ten hours the week before. Karpicke and Roediger (2008) found that retrieval practice produced 80 percent recall on a delayed test compared to 36 percent for repeated reading. Spaced, retrieval-based study compounds. Cramming does not. If cramming is your default, our spaced repetition vs. cramming comparison explains why switching pays off, especially for a course this dense.