Every era has a bar. When you build something, you're implicitly measuring it against the best that humans have ever made — whether you know it or not.
So here's a fun way to recalibrate. Below is a list of the most impactful invention or product of every century, and once we hit the 1900s, of every decade. It's worth scrolling slowly. Notice how the pace quietly explodes near the end.
The point isn't nostalgia. It's this: the people who made these things were working with less than you have right now — less data, less compute, less capital, less proof that the thing was even possible. They swung big anyway. When you sit down to build, that's the company you're keeping.
Hold the bar high.
*One caveat before we start: this is a Fable AI–generated list, not a peer-reviewed one. Historians could argue every single pick, and half the fun is that you probably already want to. That's the point. It's here to provoke big thinking, not to settle which invention was objectively the most impactful. Read for inspiration, not a verdict.*
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## One per century
- **1st** — Roman concrete *(runner-up: glassblowing)*
- **2nd** — Paper *(runner-up: the odometer)*
- **3rd** — The wheelbarrow *(runner-up: the crank and connecting rod)*
- **4th** — The stirrup *(runner-up: crucible steel)*
- **5th** — The horse collar *(runner-up: the heavy plow)*
- **6th** — The pendentive dome (Hagia Sophia) *(runner-up: chess, spreading west)*
- **7th** — Windmills *(runner-up: porcelain)*
- **8th** — Woodblock printing *(runner-up: distillation)*
- **9th** — Gunpowder *(runner-up: the refined astrolabe)*
- **10th** — Paper money *(runner-up: the fire lance, the first gun's ancestor)*
- **11th** — Movable type *(runner-up: the navigational compass)*
- **12th** — The sternpost rudder *(runner-up: the Gothic flying buttress)*
- **13th** — Eyeglasses *(runner-up: the spinning wheel reaching Europe)*
- **14th** — The mechanical clock *(runner-up: the cannon)*
- **15th** — The printing press *(runner-up: the caravel)*
- **16th** — The pocket watch *(runner-up: the graphite pencil)*
- **17th** — The telescope *(runner-up: the microscope)*
- **18th** — The steam engine *(runner-up: vaccination)*
- **19th** — The telegraph *(runner-up: the electric light bulb)*
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## Three per decade (1900 →)
- **1900s** — Airplane · Radio broadcasting · Assembly-line manufacturing
- **1910s** — Stainless steel · The modern zipper · Mass-produced automobile
- **1920s** — Television · Penicillin · Talking movies
- **1930s** — Radar · Nylon · The jet engine
- **1940s** — Electronic computer (ENIAC) · The transistor · The microwave oven
- **1950s** — Polio vaccine · Satellite (Sputnik) · The birth control pill
- **1960s** — Moon landing · ARPANET (the internet's seed) · The laser
- **1970s** — The microprocessor · The personal computer · MRI scanning
- **1980s** — TCP/IP (the internet's plumbing) · The cell phone · DNA fingerprinting
- **1990s** — The public World Wide Web · Civilian GPS · Google search
- **2000s** — The smartphone · The Human Genome Project · Social media
- **2010s** — CRISPR gene editing · Reusable rockets · Deep learning
- **2020s** — mRNA vaccines · Large language models · The James Webb Space Telescope
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Look at the shape of it. For the first thousand years, one civilization-altering idea every hundred years or so — and it was almost always about moving matter: water, grain, stone, ships. Then the curve bends. By the 2010s, a single decade out-produces most pre-modern centuries, and the game has shifted to moving information and moving ourselves.
Whatever you're building this week, it lands somewhere on this list's trajectory. Aim high and change history for the better!