By Alex Stone14 min readLast fact-checked July 2026
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Free study resources for CLEP Western Civilization II include Khan Academy, OpenStax World History Vol 2, Yale Open Courses HIST 202, the Revolutions podcast, and the Modern States voucher path. Skip generic "CLEP study guide" PDFs, sketchy practice-question aggregators, and Reddit posts without specific source citations; they are miscalibrated to the exam at best and inaccurate at worst.
For broader study sequencing, see the pillar guide, the 30-hour study plan, the Industrial Revolution and 19th-century deep dive, the working-adult prep plan, and the AP European History comparison.
The honest framing on free resources
The CLEP Western Civilization II exam covers Western history from the Peace of Westphalia in 1648 to the present, weighted heavily toward the 19th and 20th centuries. Roughly 30 percent of questions cover the 19th century alone (industrialization, nationalism, liberalism, imperialism), 35 to 40 percent cover the 20th century (the World Wars, the inter-war period, the Cold War, post-1945 European integration), and 25 to 30 percent cover the 17th and 18th centuries (Absolutism, the Scientific Revolution, the Enlightenment).
When I took this exam for my degree at Thomas Edison State University, where it filled the HIS 102 slot, the constraint was not finding free content. The constraint was filtering. There is more free 20th-century content on the open web than any reader can absorb, and almost none of it is calibrated to a 120-question, 90-minute, recognition-based multiple-choice exam. Use free resources for input and exposure; use a calibrated practice tool for the recognition layer. The Flying Prep CLEP Western Civilization II plan fills the practice gap with questions written against the current College Board outline and explanations on every question. The $10 official CLEP Examination Guide PDF is the cheapest worthwhile complement.
Khan Academy: solid for the 19th and 20th centuries, thin on 1648 to 1789
Khan Academy's World History course and AP European History materials together are the strongest free explanatory resource for the post-1789 portion of the exam. Short video lessons, practice questions that force recall, pacing built for adult learners returning to a topic they have not seen in years.
Use it for: the 19th and 20th centuries. The Industrial Revolution unit, the units on nationalism and 19th-century imperialism, the WWI and WWII units, and the Cold War unit are all well-built and pitched at roughly the level of abstraction the exam tests. The AP European History track covers Absolutism, the Enlightenment, and the French Revolution at the right depth, with practice questions that read closely to CLEP style.
Skip: Khan Academy as your only source for 1648 to 1789. The Absolutism and Scientific Revolution coverage on the world-history track is thinner than the exam requires, and even the AP Euro depth on Louis XIV, the Habsburgs, the rise of Prussia, and the Enlightenment philosophers is closer to a refresher than a survey. Supplement with OpenStax World History Vol 2 for that period.
Time budget: 8 to 12 hours, weighted toward whichever eras you remember least.
OpenStax World History Vol 2: a free college textbook covering the whole exam scope
OpenStax World History Volume 2 is a free peer-reviewed college-level textbook covering 1400 to the present. It is the closest free analogue to the Spielvogel or McKay textbooks most undergraduates use, and unlike Khan Academy it covers the full CLEP Western Civ II scope under one roof.
Use it for: the textbook layer. After Khan Academy refreshes the eras you found weakest, OpenStax fills in the specific events, named figures, and themes the exam tests. Chapter summaries and key-terms lists map closely to CLEP question content. The chapters on the Scientific Revolution, Absolutism, the Enlightenment, the French Revolution and Napoleon, industrialization, and the World Wars are particularly clean.
Skip: the non-Western chapters as primary study targets. OpenStax is a world-history textbook, so it covers Qing China, Tokugawa Japan, the Mughal Empire, and post-colonial Africa in substantial depth. The CLEP exam tests these only where they interact with the West (European imperialism, the Russo-Japanese War, decolonization). Read lightly for context; focus on the European and Atlantic chapters.
Time budget: 10 to 14 hours of reading, spread across two to three weeks.

Yale Open Courses HIST 202: the deepest free resource for the exam period
Yale's HIST 202: European Civilization, 1648 to 1945 is John Merriman's 25-lecture undergraduate course, free on Yale's Open Courses site. Merriman is one of the most respected European historians teaching at the undergraduate level, and the course covers the exam period almost exactly. Lectures run roughly 50 minutes each.
Use it for: deep reinforcement on the eras where you feel weakest after Khan Academy and OpenStax. The lectures on the French Revolution, nationalism, the Industrial Revolution's social consequences, and the inter-war period are graduate-quality treatments at undergraduate pace. Two or three Merriman lectures on a weak era will move the needle in a way no textbook chapter does.
Skip: watching the full course end-to-end. Twenty-five 50-minute lectures is roughly 20 hours of video on top of other study, and most of the content runs deeper than the exam tests. Pick three to five lectures that map to your specific weak spots. If you are tempted to watch all 25, you are over-investing in input and under-investing in calibrated practice.
Time budget: 3 to 5 hours, used as targeted reinforcement.
Mike Duncan's Revolutions podcast: the strongest free coverage of the political revolutions
Revolutions is Mike Duncan's 10-season free podcast covering the major political revolutions from the English Civil War through the Russian Revolution. Audio-only, well-produced, built for commute listening. Total runtime across all seasons is north of 300 hours, more than any reader can absorb during exam prep, but the structure rewards selective listening.
Use it for: the post-1648 political revolutions the exam tests directly. The French Revolution season (55 episodes) is the single deepest free resource on the French Revolution and the Napoleonic era available anywhere; if you only listen to one season, it is this one. The 1848 season covers the springtime of nations cleanly. The Russian Revolution season covers the WWI-era political collapse and the rise of the Soviet Union. The English Civil War and American Revolution seasons cover the lead-in to the Peace of Westphalia, the Glorious Revolution, and the era from a European-policy perspective.
Skip: Revolutions as your primary study resource. It is episodic, slow to listen through, and narrower than the full exam. The exam also tests intellectual history (Enlightenment, liberalism, socialism, fascism), social history (industrialization, urbanization, mass politics), and cultural history (Romanticism, Modernism), none of which the podcast covers in depth. Use it as the commute layer for the political-revolution content, not as a survey.
Time budget: 10 to 30 hours of background listening during commutes or chores.
Hardcore History "Blueprint for Armageddon": entertaining, but a poor ratio
Dan Carlin's Hardcore History "Blueprint for Armageddon" is a six-part free podcast series on World War I totaling roughly 24 hours of audio. Production value is excellent.
Use it for: WWI commute audio if you have a long prep window and want narrative depth for its own sake. The series builds intuition for why WWI happened and what it cost, which is the kind of thematic understanding the exam rewards.
Skip: Hardcore History as a primary WWI source. The exam tests WWI at roughly 5 to 8 percent of questions, focused on causes, major outcomes (Versailles, collapse of four empires, League of Nations), and consequences. You can cover all of that in 4 to 6 hours from Khan Academy and OpenStax. Twenty-four hours of audio for a 5-to-8-percent share is the wrong ratio if your prep window is tight.
Time budget: 0 hours under a 40-hour prep window. 5 to 24 hours if you have time and want the narrative.
BBC documentaries and The World at War: well-produced, narrowly scoped
The 1973-74 Thames Television series The World at War (26 episodes on WWII) and the broader BBC documentary catalog are free on YouTube. The World at War is the definitive television treatment of WWII, with primary-era footage and interviews recorded while participants were still alive.
Use it for: WWII supplemental viewing if you absorb video better than text. The episodes on the Eastern Front, the Holocaust, and the end-of-war settlements are strongest.
Skip: these as exam-prep material. Twenty-six hour-long episodes for a 5-to-8-percent exam share is the wrong ratio. One or two episodes for engagement is fine; do not budget more.
Time budget: 0 to 4 hours, recreation not study.
Crash Course European History on YouTube: accessible orientation, fast pace
Crash Course European History is John Green's 50-episode YouTube series covering European history from the Renaissance through the late 20th century.
Use it for: orientation when an era feels genuinely unfamiliar. The episodes on the Scientific Revolution, the Enlightenment, the French Revolution, industrialization, and the World Wars are useful at the 12-to-15-minute timescale, watchable on a commute or lunch break.
Skip: Crash Course as your only video resource. The pace is fast enough that passive retention is poor. Pause and note named figures, dates, and themes as you go, or use the series as a first-pass primer before deeper work with OpenStax or Khan Academy.
Time budget: 4 to 6 hours, with a notebook open.
Marxists.org primary texts: useful for anchoring Marx, dense as study material
Marxists.org hosts free full-text versions of the Communist Manifesto, Marx's economic writings, Lenin's State and Revolution, and the broader Marxist canon.
Use it for: reading the Communist Manifesto once. It is short, the exam tests Marx and Marxism directly, and reading the original makes the named concepts (bourgeoisie and proletariat, historical materialism, class conflict) memorable.
Skip: Marxists.org as systematic study. The texts are dense, the writing assumes 19th-century familiarity with Hegel and Ricardo, and the exam does not test deep textual analysis. Use OpenStax and Khan Academy for what the exam actually tests about Marx: his place in 19th-century thought, the spread of socialism, the influence on the Second International and the Russian Revolution.
Time budget: 1 to 2 hours.
Modern States: take the course for the voucher, study elsewhere
Modern States is a non-profit that offers free online CLEP courses with a $97 exam voucher awarded on completion. The voucher covers the full CLEP exam fee, so completing the Modern States Western Civ II course is the closest thing to free college credit you will find.
Use it for: the voucher. Sign up, complete the minimum work to qualify, claim it, and apply it at registration.
Skip: the actual course content. The Modern States CLEP Western Civilization II course is shallow and inconsistent. Video lectures cover the syllabus on paper but at closer to high-school depth than college, and the practice questions are not calibrated to the current exam content. Students who study from Modern States as their primary resource regularly report scoring near or below the 50-point ACE passing line. Take the course only as the path to the voucher. Use Khan Academy, OpenStax, and Yale HIST 202 for input.
Time budget: 1 to 2 hours of clicking through.
What to skip
Generic "CLEP study guide" PDFs from non-authoritative sites. Searching for free CLEP Western Civ II study guides surfaces dozens of PDFs from sites that are not College Board, not Modern States, and not a recognized publisher. Most are copy-paste content with factual errors, dated dates, and outright misattributions. The cost is not just time spent reading wrong information; it is also unlearning it when you eventually run into a calibrated source.
Free practice question banks from random aggregators. Free CLEP Western Civ II questions exist on sites that are not Modern States or College Board, but the questions are miscalibrated, almost none come with explanations, and the answer keys are often wrong. The practice exam in the official $10 CLEP Examination Guide PDF is worth more than 200 free questions from an aggregator.
Reddit study advice without source citations. r/CLEP threads contain useful aggregate signal ("the 19th century was harder than I expected", "Modern States was not enough") but specific recommendations vary wildly and most are not sourced. Read for the consensus, not the resource picks.
Wikipedia rabbit-holes without structure. Individual Wikipedia articles on the Congress of Vienna, the Concert of Europe, or the July Revolution are useful for looking up a specific term. As a primary study resource, Wikipedia is poor: no chapter order, no clear scope, and the internal-link structure rewards lateral browsing rather than depth on the topics the exam tests.
Princeton Review and REA prep books. Both publish CLEP Western Civ II prep books under $25 used. Question style is workable but editions run a few years behind the current exam and explanations compress thematic understanding into date and name memorization, the opposite of how the exam rewards study. A passable backup off-subscription, but the Flying Prep question bank is more current and written against the current outline.
How to combine free resources into a complete plan
A specific free-resource sequence for the full 30 hours of CLEP Western Civilization II prep, assuming the 30-hour study plan baseline:
| Phase | Hours | Primary resources | Activity |
|---|---|---|---|
| 0. Voucher | 1 to 2 | Modern States | Click through the course to qualify for the $97 voucher. |
| 1. Refresh | 8 to 12 | Khan Academy World History + AP European History | Watch the 19th-century and 20th-century units. Use AP Euro for Absolutism, Enlightenment, French Revolution. Light notes. |
| 2. Textbook layer | 10 to 14 | OpenStax World History Vol 2 | Read the European and Atlantic chapters. Highlight chapter summaries. |
| 3. Targeted reinforcement | 3 to 5 | Yale HIST 202 (Merriman) | Two or three lectures on your single weakest era. |
| 4. Commute audio | 10 to 30 | Revolutions podcast | Background listening on commutes. Prioritize the French Revolution season; add 1848 and Russian Revolution if time allows. |
| 5. Anchor | 1 to 2 | Marxists.org | Read the Communist Manifesto once for primary-source anchoring on Marx. |
| 6. Drill and practice | 6 to 8 | Flying Prep practice questions | Mixed-topic practice questions, review every wrong answer. |
| 7. Test prep | 2 | Official CLEP Examination Guide + Flying Prep | One or two full-length practice exams with score review. |
Phases 0 through 5 cover the input layer with free resources. Phases 6 and 7 are where free stops being enough. The exam is recognition-based across 120 questions in 90 minutes, and recognition speed develops only by practicing under exam-style conditions. The Flying Prep CLEP Western Civilization II question bank handles that layer: questions written against the current content outline, explanations on every question, and a free trial that covers a meaningful slice before the paid plan. The $10 official CLEP Examination Guide PDF is the official complement.
For universal CLEP test-day mechanics (ID, timer, score reporting, retakes), see how CLEP exams actually work.
Comparison table
| Resource | Format | Era covered | Strength | Weakness | Role in plan |
|---|---|---|---|---|---|
| Khan Academy World History + AP Euro | Video + practice questions | 1648 to present (strongest on 19th and 20th c.) | Well-paced for adult learners; practice questions force recall | 17th to 18th-century coverage thinner than exam requires | Primary refresh layer |
| OpenStax World History Vol 2 | Free college textbook | 1400 to present | College-level survey, free, full exam scope | Non-Western chapters not tested heavily on CLEP | Primary textbook layer |
| Yale HIST 202 (Merriman) | Video lectures | 1648 to 1945 | 25 graduate-quality lectures matching the exam period | 20+ hours total; deeper than exam tests | Targeted reinforcement on weak eras |
| Revolutions podcast (Duncan) | Audio | Post-1648 political revolutions | Deepest free coverage of French Revolution and the political revolutions | Narrower scope than the full exam; episodic and slow | Commute audio, especially French Revolution |
| Hardcore History "Blueprint for Armageddon" | Audio | WWI only | 24 hours of narrative depth | Single-topic; WWI is 5 to 8 percent of exam | Optional, long prep window only |
| BBC docs + The World at War | Video | WWII | Primary-era footage, well produced | Calibrated for general audiences | Recreation, not study |
| Crash Course European History | Video | Renaissance to late 20th c. | Watchable, free, commute-friendly | Pace too fast for retention without notes | Orientation on unfamiliar eras |
| Marxists.org primary texts | Text | Marx and successors | Free primary-source access to canonical Marxist texts | Dense; exam tests Marx contextually, not textually | Anchoring on Marx via the Manifesto |
| Modern States | Video course | Full CLEP Western Civ II survey | Free $97 exam voucher on completion | Course content shallow and miscalibrated | Voucher only, not study |
Frequently asked questions
Can I pass CLEP Western Civilization II using only free resources?
Yes, with caveats. The input layer (Khan Academy + OpenStax World History Vol 2 + Yale HIST 202 + the Revolutions podcast) is strong for free. The practice layer is where free resources fall short. The exam is recognition-based across 120 timed questions, and recognition speed develops by practicing in the exam's format with explanations on wrong answers. The official $10 CLEP Examination Guide PDF is the highest-leverage cheap addition to a free-only plan. Past that, the choice is between paid practice and accepting a thinner pass margin.
Which free resource is best for the 19th century, where the exam is heaviest?
A three-resource stack: OpenStax World History Vol 2 chapters on industrialization, nationalism, and 19th-century imperialism for the textbook layer; Khan Academy's world-history and AP Euro units for the video refresh; and two or three Merriman lectures from Yale HIST 202 on the eras that still feel foggy. The 19th century is where most readers feel weakest because high-school surveys skim past European 19th-century history in favor of American history, and the CLEP exam disproportionately rewards that era.
Is Mike Duncan's Revolutions podcast actually worth the time?
Yes, selectively. The French Revolution season (55 episodes, roughly 50 hours) is the single deepest free resource on the French Revolution and Napoleonic era, which the exam tests at roughly 8 to 12 percent. Listening at podcast pace makes the named figures (Robespierre, Danton, Napoleon, Metternich) and turning points (Bastille, the Terror, the Directory, the Empire) familiar enough to read as recognition rather than recall. The 1848 and Russian Revolution seasons add value. The earlier seasons are useful but redundant with Khan Academy and OpenStax.
Is the Modern States course actually worth doing?
Yes, for the voucher. No, for the course content. The course is shallow and not calibrated to the current exam outline; students who study from it as a primary resource regularly score at or below the ACE passing line. Worth 1 to 2 hours of clicking through to qualify for the $97 voucher. Ignore the content.
Do I need a paid textbook?
Probably not. OpenStax World History Vol 2 is college-level, free in PDF and web format, and covers the full 1648-to-present scope. If you prefer a paid hardcover, Spielvogel's Western Civilization (Vol 2) or McKay's A History of Western Society (Vol 2) are clean single-textbook options. A used edition runs $20 to $40. Neither is required.
What about Princeton Review or REA CLEP Western Civilization II prep books?
Both exist under $25 used. Question style is workable but editions are a few years behind the current exam and explanations compress thematic understanding into date and name memorization, which is the opposite of how the exam rewards study. Workable backup if you are committed to staying off subscription products; pair with the official CLEP Examination Guide for calibration and treat the prep book as a question source, not a study guide.
How much WWI/WWII audio should I listen to?
The World Wars and the inter-war period together cover roughly 15 to 20 percent of the exam, focused on causes, major outcomes, and consequences rather than military detail. You can cover that share in 4 to 6 hours from Khan Academy and OpenStax. "Blueprint for Armageddon" (24 hours on WWI) and The World at War (26 hours on WWII) are well-produced but a poor ratio if your prep window is under 40 hours total.
Is there any free resource that covers the post-1945 Cold War era well?
Khan Academy's Cold War unit and OpenStax World History Vol 2's post-1945 chapters cover the era at the depth the exam tests (containment, the major confrontations, decolonization, post-1989 European integration). Yale HIST 202 ends at 1945 and does not cover the Cold War, which is the one notable gap in Merriman's course relative to the exam. Crash Course European History's post-1945 episodes are a workable supplement for orientation. OpenStax is the single best free source on post-1945 European integration.

Alex Stone founded Flying Prep after earning her bachelor's degree from Thomas Edison State University using 27 CLEP and DSST exams to test out of 99 credits. She built Flying Prep to help working adults and returning students take the same path.
Last fact-checked July 2026
Deep dives
Go deeper on CLEP Western Civilization II

Drill
The World Wars and Cold War on CLEP Western Civilization II: 1914 to 1991 through European eyes
The 20th century carries roughly 35 to 40 percent of the exam, around 42 to 48 of 120 questions, making it the second-heaviest era after the 19th century. The exam frames WWI causes-and-consequences, Versailles, interwar fascism, WWII alliance politics, and the Cold War from a European perspective; this guide walks the thematic content the test actually rewards.
Read it
Plan
CLEP Western Civilization II for working adults: turn 20th-century media into 19th-century anchor study
Working adults already consume substantial 20th-century European content through documentaries and podcasts; CLEP Western Civilization II's biggest study problem isn't the 20th century, it's the 19th, where ambient familiarity drops off. This 6-week plan concentrates formal evening and weekend study on the 19th century and lets commute media carry the 20th, around 33 to 35 hours total.
Read it
Drill
Absolutism and the Enlightenment on CLEP Western Civilization II: from Louis XIV to the Estates-General
The 1648 to 1789 arc, from the Peace of Westphalia through Louis XIV and the Eastern absolutists to Newton, Locke, Voltaire, Rousseau, and Montesquieu, sets up everything the rest of CLEP Western Civilization II tests. The era is the smallest single slice of the exam at ~25 to 30 percent combined, but it carries the intellectual scaffolding for the French Revolution and the long 19th century.
Read it
See the full CLEP Western Civilization II study guide for the practice quiz, study plan, and credit details.
