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.
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.
A short one: 12 levels across 2 sections, about 24 minutes end to end, roughly 5 days at five minutes a day. It moves through Investigating the Evidence and Making Sense of the Big Picture. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in How to Read History
- Primary sources capture one person's vantage point and feelings at that moment, not the complete objective truth
- Witnesses in history frequently misunderstand, miss key details, or carry personal prejudices into what they write down
- Identifying who paid or commissioned the writer shows what outcome protects their job or standing
- Historical creators often emphasize successes and downplay failures when writing to superiors with power over them
- Private journals are more candid because the author expects no reader, whereas public declarations are shaped for mass impact
- Letters written upward to authority figures systematically flatter and suppress unflattering truths to get what they want
- Points where bitter enemies agree (like the date, weather, or who died) serve as the confirmed factual bedrock of the event
- Disagreements over who struck first or why reveal their clashing loyalties rather than proving either version fully true
- Secondary sources reflect the moral standards, prevailing prejudices, and social priorities of the century in which the historian lived
- Later generations ask entirely new questions about the past based on modern concerns, leading them to consult different surviving evidence
- Archives preserve documents that powerful institutions had the wealth, literacy, and legal need to store
- The lack of documents from ordinary people reflects unequal power and resources, not a lack of history
- Historical writers rarely explain customs, chores, or social hierarchies that everyone around them took for granted
- Silences and omissions reveal the baseline boundaries of what an era considered normal or unworthy of remark
- Everyday physical objects preserve the lives of working people who never learned to write
- Archaeological remains like food refuse and work tools reveal diet, labor, and living conditions directly
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.
Why might two people who saw the exact same event write down totally different stories?
Get it right to open this lesson and 11 more in the app.
How to learn How to Read History, step by step
Go in order. 12 short levels across 2 sections, about 24 minutes in all, five minutes a day.
- 1
Investigating the Evidence
- Interrogating Primary Sources
- Reading the Silences in the Record
- 2
Making Sense of the Big Picture
- Untangling Cause and Coincidence
- Applying Context Without Distorting the Past
2 sections · 4 units · 12 levels. Built to play, not to enroll.
Questions about How to Read History
How do I learn How to Read History?
Go in order: start with Investigating the Evidence, then Making Sense of the Big Picture. On Tomo that's 12 short levels, about 24 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for How to Read History?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. How to Read History is one of its free courses, and you can type any other topic to get a course of your own.
Is the How to Read History course free?
Yes. How to Read History is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn How to Read History?
12 levels across 2 sections, about 24 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start How to Read History?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
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 Explain Like I'm 5 style: no big words. promise.. 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
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.
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.
Thinking Like a Historian
Stop treating the past as a settled list of dates and start investigating it like a detective. Learn how to interrogate biased eyewitness accounts, uncover hidden silences in surviving archives, and understand why historical narratives constantly change.
Thinking Like a Historian
Move beyond memorizing dates and discover how history is actually made. Learn to interrogate biased sources, read archival silences, and dismantle the illusion of inevitability.
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
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.
Start How to Read History today.
Download Tomo, search How to Read History, and play your first lesson in under a minute.