How to Think Like a Historian
Like Duolingo, but for How to Think Like a Historian. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
For the part of you with thirty open tabs that never became anything.
25 levels across 4 sections, about 50 minutes end to end, roughly 10 days at five minutes a day. It moves through Interrogating Everyday Accounts; Working with Fragmented Evidence; Explaining Change, Cause, and Continuity; and The Politics of Historical Narrative. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android
Key ideas in How to Think Like a Historian
- Secondary citations must be tracked backward through earlier footnotes to find bedrock data.
- Historiographies reveal if multiple modern authors rely on an identical primary base.
- Archival registries confirm whether cited primary records physically survive in original form.
- True corroboration demands distinct observer chains, not shared circular dispatches.
- Colonial printers routinely reprinted single army bulletins verbatim without independent checks.
- Separate logs from opposing commanders establish genuinely distinct custody chains.
- Provenance analysis inspects the institutional incentives shaping a document's creator.
- Official fiscal registers often reflect taxpayer evasion rather than total population.
- Records drafted for royal patrons systematically exaggerate state military success.
- Partisan chronicles employ passive verbs to strategically omit actor culpability.
- Charged moralizing adjectives indicate deliberate persuasive intent over documentation.
- Period diaries record subjective contemporary panic and rumors, not validated facts.
- A historical document can be physically genuine while containing false street claims.
- Verifying an outbreak's cause requires municipal burial bills and health board tallies.
- State ledgers measure quota compliance to validate an administrator's competence, not total nutritional security.
- Official reports systematically omit localized black markets, food riots, and private grain hoarding.
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 Think Like a Historian 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.
When several modern historians agree on a claim, what does a historiographical review help you determine?
Get it right to open this lesson and 24 more in the app.
Where How to Think Like a Historian takes you
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.
- 1
Interrogating Everyday Accounts
- Testing Historical Claims
- Reading Between the Lines of Primary Sources
- 2
Working with Fragmented Evidence
- Weighing Conflicting Testimonies
- Interpreting Material and Environmental Evidence
- Navigating Archival Silences
- 3
Explaining Change, Cause, and Continuity
- Disentangling Cause from Contingency
- Challenging Periodization and Anachronism
- 4
The Politics of Historical Narrative
- Historiography and Narrative Power
4 sections · 8 units · 25 levels. Built to play, not to enroll.
You pick the voice
How to Think Like a Historian is taught in the The Professor style: clear, structured, thorough. 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
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.
Thinking Like a Historian
Stop accepting historical narratives at face value and learn to interrogate the past like an investigator. Discover how to cross-examine conflicting eyewitnesses, decode hidden biases in official records, and interpret historical decisions within their own era's worldview.
How Historians Read the Past
Move beyond memorizing dates and discover how to interrogate historical evidence like a scholar. Learn to spot archival bias, cross-examine conflicting sources, and dismantle tidy hindsight narratives.
Thinking Like a Historian
Transform how you see the past from a list of memorized dates into an active detective case. Learn how to interrogate old clues, spot hidden biases, and uncover why major events really happened.
The Historian's Lens
Move beyond memorizing dates and start questioning how the stories of our past are built. Learn to spot bias, compare conflicting accounts, and understand why the 'truth' of history changes over time.
Global History: Collisions and Networks
Examine how trade networks, biological exchanges, and revolutionary ideas tied disparate continents together. Compare how global empires maintained control and discover how historians decode power across the world's archives.
Start How to Think Like a Historian today.
Download Tomo, search How to Think Like a Historian, and play your first lesson in under a minute.