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.
Like Duolingo, but for Thinking Like a Historian. 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 Testing Historical Claims and Constructing the Past. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in Thinking Like a Historian
- Historical actors only had access to the knowledge and beliefs of their own era
- Germ theory and microscopic pathogens were not yet discovered in the 1700s
- Judging historical figures using modern science distorts how and why they made decisions
- Major historical eras blend gradually across decades or centuries rather than switching overnight
- Key dates like 476 AD are convenient modern markers, not sudden disruptions to everyday life
- Institutions, language, and culture continued functioning smoothly across textbook turning points
- Vast historical events result from an intersection of political, economic, environmental, and military factors
- Single 'smoking gun' theories oversimplify complex civilizational shifts
- Economic inflation, civil wars, climate pressure, and migrations all shaped Rome's transformation
- A lack of written documentation does not mean society stopped innovating or building culture
- The term 'Dark Ages' originally referred to a lack of written sources, not backwardness or intellectual stagnation
- Materials like wood and oral memory degrade, creating optical illusions of empty centuries
- Historical outcomes were fragile and heavily shaped by chance, weather, and narrow choices
- Viewing current political borders or systems as inevitable erases the real uncertainty felt by participants
- History could have unfolded in dozens of different ways depending on close-run events
- Eye-witness accounts reflect the personal agenda and incentives of the writer
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 Thinking 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.
Why didn't doctors in the 1700s wash their tools between patients to stop invisible germs?
Get it right to open this lesson and 11 more in the app.
Where Thinking Like a Historian takes you
- 1
Testing Historical Claims
- Spotting Common Historical Myths
- Interrogating Primary Evidence
- 2
Constructing the Past
- Untangling Causes and Turning Points
- Why Historical Accounts Change
2 sections · 4 units · 12 levels. Built to play, not to enroll.
You pick the voice
Thinking Like a Historian is taught in the The Bestie style: your friend who just gets it. 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.
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Start Thinking Like a Historian today.
Download Tomo, search Thinking Like a Historian, and play your first lesson in under a minute.