How to Read History
Learn to look past myths, propaganda, and hindsight to understand what really happened in the past. Discover how historians interrogate conflicting evidence, reconstruct lost worldviews, and explain complex events. Walk away with the critical tools to evaluate any historical claim you encounter in books, news, or culture.
Like Duolingo, but for How to Read History. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
23 levels across 4 sections, about 46 minutes end to end, roughly 9 days at five minutes a day. It moves through Questioning Historical Claims, Interrogating the Evidence, Explaining Why the Past Unfolded, and Making Sense of Shifting Interpretations. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in How to Read History
- Major historical shifts rarely stem from a single hero's conviction alone
- Economic changes and collective resistance by ordinary or enslaved people usually create the conditions for legal reform
- Focusing exclusively on famous leaders ignores the wider social pressures that forced their hands
- Presentism means using modern scientific knowledge or ethics to judge people who lacked that information
- Medieval doctors operated under the prevailing belief that bad air (miasma) spread disease, making aromatic herbs a logical precaution to them
- Historical understanding requires evaluating decisions within the knowledge available to people at the time
- Every historical summary is an editorial choice that highlights some truths while leaving out far more
- Constructing a cohesive story about a historical era requires selecting a unifying theme, which always excludes contradictory lived experiences
- Narratives of post-war American prosperity often leave out minority groups and marginalized communities who did not share in the economic boom
- Historical actors cannot see the future and must make high-stakes choices under severe fog and doubt
- Events that seem inevitable in hindsight were experienced as deeply precarious and unpredictable by the people living them
- Eisenhower genuinely feared disaster due to stormy weather and prepared for total defeat
- Historical archives primarily preserve the writings of the literate, wealthy, and powerful who had the resources to store records
- The authors of surviving records wrote to protect their own interests, reputations, and worldviews
- Common knowledge about historical groups often reflects what their literate adversaries wrote about them rather than their own voices
- Major historical shifts like democracy or industrialization develop across generations through economic and legal pressures, not single events
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives How to Read History the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Imagine lawmakers suddenly banning a cruel trade after decades of debate. What usually drove that sudden change?
Get it right to open this lesson and 22 more in the app.
Where How to Read History takes you
- 1
Questioning Historical Claims
- Deconstructing Everyday Historical Narratives
- Spotting Historical Myths and Distortions
- 2
Interrogating the Evidence
- Evaluating Primary Sources
- Recovering Missing Voices in the Archive
- 3
Explaining Why the Past Unfolded
- Unpacking Historical Causation
- Reconstructing Past Worldviews
- 4
Making Sense of Shifting Interpretations
- Navigating Disagreements and Collective Memory
4 sections · 7 units · 23 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
How to Read History is taught in the Storyteller style: every lesson is a story. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
More History on Tomo
Thinking Like a Historian
Learn how to read past events critically, dismantle common myths, and investigate the evidence behind historical claims. Master the tools historians use to separate fact from propaganda, uncover missing voices, and understand why the world became what it is today.
How to Read History
Learn to investigate the past like a detective instead of memorizing names and dates. Discover how to interrogate eyewitness accounts, decode hidden biases, and uncover the real forces driving major events.
Thinking Like a Historian
See past popular historical myths, interrogate firsthand evidence, and uncover how our understanding of the past is built. Learn the critical moves historians use to separate fact from convenient legend.
Reading History Critically
Move beyond memorizing dates and passive storytelling to analyze the past like a working historian. Learn to interrogate primary sources, uncover silences in the archive, and dissect competing historical narratives with precision.
How to Think Like a Historian
Move beyond memorizing dates and discover how historical knowledge is actually constructed. Learn to interrogate biased sources, read between the archival lines, and weigh competing interpretations to uncover the past with critical rigor.
Thinking Like a Historian
Move beyond memorizing dates and narratives to analyze history as an active, evidence-driven discipline. Learn to cross-examine primary sources, track scholarly debates, weigh material culture, and untangle complex historical causality.
Start How to Read History today.
Download Tomo, search How to Read History, and play your first lesson in under a minute.