The world receives a new signal.
Sputnik 1 becomes the first artificial satellite. The space age begins with a small spacecraft and a radio signal.
The World timeline and Timeline // Decoded, merged: what had to exist before the next thing could, and the dated, sourced record of the frontier since the first powered flight. Fly it again ↑
Era 1 · 4 billion years ago – 300,000 years ago
A body that copies itself. Without this there is no plant, animal, or person. · Earth
Read the story →Cells that can specialize. Plants, fungi, and animals all come from this split. · Earth
Read the story →Bodies that move. Later, hands. · Oceans, then land
Read the story →A cutting edge. Every later blade starts here. · Africa
Read the story →Heat on demand. Cooking, pottery, and metal all need this. · Africa and Eurasia
Read the story →The only branch that turns one tool into the next on purpose. · Africa
Read the story →Era 2 · 10,000 BCE – about 1000 CE
Stored food and towns. Without towns there is no spare labor for writing or workshops. · Fertile Crescent
Read the story →Heavy loads move. A record outlives the speaker. The press, much later, has something to print. · Mesopotamia
Read the story →Copper plus tin. The first metal harder than stone for real tools. · Egypt and Sumer
Read the story →Strong metal that is common. Engines, rails, and robot arms are impossible without it. · Anatolia, then everywhere
Read the story →A cheap surface. The printing press is useless without it. · China
Read the story →Navigation without the sun, chemistry of fire, and equations later machines will solve. · China and Baghdad
Read the story →Era 3 · 1440 – 1799
Reusable metal type. Knowledge stops being copied by hand, so the next inventor can read the last one. · Germany
Read the story →One connected market. Ideas and materials start moving between continents. · Atlantic
Read the story →Seeing past the eye. Later chips and germs both depend on lenses. · Italy and the Netherlands
Read the story →Motion you can calculate. Engines and rockets are designed from this. · England
Read the story →Fuel does muscle’s job. Factories and trains sit on this. · Britain
Read the story →Era 4 · 1800 – 1902
Stored electricity. Without a steady current there is no circuit. · Italy
Read the story →Steam that moves people and freight, not just a pump in a mine. · Britain
Read the story →Motion becomes current, and current becomes motion. Every robot motor is this. · Britain
Read the story →A message faster than a horse. The telephone and the internet are the same job, richer. · United States and Britain
Read the story →Dense fuel. Cars and planes do not happen on wood and coal alone. · United States
Read the story →A voice on a wire. · United States
Read the story →Electricity in buildings, not a steam shaft down the factory. · United States
Read the story →A personal engine. It needs oil, steel, and the motor. · Germany
Read the story →A message with no wire. Phones and satellites are this without the spark gap. · Italy, Britain, Germany
Read the story →Era 5 · 1903 – 1956
Controlled powered flight. It needs the engine from the car era. · United States
Read the story →Twelve seconds and 120 feet on the first flight of the day; four flights by the afternoon.
Source: airandspace.si.edu ↗Gasoline and liquid oxygen, 2.5 seconds of flight from a field in Auburn, Massachusetts.
Source: nasa.gov ↗Infection becomes treatable. Not a machine, but a reason later populations live long enough to age. · Britain
Read the story →On paper: one machine can run any instructions. Computers are this idea in switches. · Britain
Read the story →"On Computable Numbers" defines what any computer can and cannot compute.
Source: cs.virginia.edu ↗Test flight MW 18014 reaches 176 km — the first human-made object in space.
Source: en.wikipedia.org ↗Energy from the atom. A side branch, not the path to the chip. · United States
Read the story →Eighteen thousand vacuum tubes, programmed by rewiring, one thousand times faster than the machines before it.
Source: seas.upenn.edu ↗Bardeen, Brattain and Shockley's point-contact transistor replaces the vacuum tube. · United States, Bell Labs
Read the story →Source: nokia.com ↗Bell Labs demonstrates a 6 percent efficient silicon cell — the ancestor of every panel on every roof.
Source: aps.org ↗McCarthy, Minsky, Rochester and Shannon propose that every feature of intelligence can be described precisely enough to simulate.
Source: home.dartmouth.edu ↗Era 6 · 1957 – 1972
A 58 cm sphere beeping at 20 and 40 MHz; the Space Age begins. · USSR
Read the story →Source: nasa.gov ↗One germanium slice carrying a whole oscillator at Texas Instruments. · United States
Read the story →Source: ti.com ↗The first industrial robot lifts hot die-castings on a line in New Jersey.
Source: robotics.org ↗One orbit in Vostok 1, 108 minutes.
Source: nasa.gov ↗The first active communications satellite.
Source: nasa.gov ↗Transistor counts on a chip double roughly every year, later revised to two.
Source: intel.com ↗Thirty-four meganewtons of thrust from five F-1 engines.
Source: nasa.gov ↗A computer steers a machine. Other computers start sending packets to each other. · United States
Read the story →Armstrong and Aldrin spend 21 hours on the surface.
Source: nasa.gov ↗"LO" — the link from UCLA to Stanford drops before the G of LOGIN.
Source: cs.ucla.edu ↗2,300 transistors; a computer on one chip. · United States
Read the story →Source: intel.com ↗Cernan and Schmitt leave the final footprints of the programme.
Source: nasa.gov ↗Era 7 · 1973 – 1990
Three crews live aboard for a combined 171 days.
Source: nasa.gov ↗The first successful landing on Mars sends pictures home for six years.
Source: science.nasa.gov ↗Both are still returning data from interstellar space.
Source: science.nasa.gov ↗The first reusable orbital spacecraft flies with a crew on its first launch.
Source: nasa.gov ↗A 4.77 MHz 8088 and an open architecture set the standard for a generation. · United States
Read the story →Source: ibm.com ↗The first modular space station is occupied for most of 15 years.
Source: nasa.gov ↗"Information Management: A Proposal" at CERN — "vague but exciting", wrote his boss. · CERN, then the world
Read the story →Source: home.cern ↗DNA read as data. Medicine starts to look like software. · Worldwide
Read the story →Thirty-five years and more than 1.6 million observations later, it is still working.
Source: science.nasa.gov ↗Era 8 · 1991 – 2010
"Just a hobby, won't be big and professional like gnu" — Linus Torvalds.
Source: cs.cmu.edu ↗The first computer to beat a reigning world champion in a match.
Source: ibm.com ↗Pathfinder's 10.6 kg rover is the first wheeled vehicle on another planet.
Source: science.nasa.gov ↗Continuously crewed since November 2000.
Source: nasa.gov ↗A 1.2 m humanoid that walks, climbs stairs and later runs.
Source: global.honda ↗Ninety-day missions that lasted six and fifteen years.
Source: science.nasa.gov ↗A computer, a camera and a radio in a pocket — and the start of the app economy. · United States, then everywhere
Read the story →Source: apple.com ↗The first privately developed liquid-fuel rocket to orbit, on its fourth try.
Source: spacex.com ↗The vehicle that will carry most of the world's mass to orbit a decade later.
Source: spacex.com ↗Two orbits, a splashdown in the Pacific.
Source: nasa.gov ↗Era 9 · 2011 – 2022
A one-tonne rover lowered on cables from a hovering stage.
Source: science.nasa.gov ↗A deep convolutional network cuts the error rate nearly in half; the deep-learning era starts. · Worldwide research
Read the story →Source: papers.nips.cc ↗The first rocket to reach space and land vertically.
Source: blueorigin.com ↗Eleven satellites to orbit and the first stage back at Cape Canaveral, nine minutes later.
Source: spacex.com ↗Move 37 — a play no human would make — becomes the symbol of machine intuition.
Source: deepmind.google ↗The Transformer architecture behind every large language model since. · Published research
Read the story →Source: arxiv.org ↗Twenty-seven engines, two boosters landing side by side.
Source: spacex.com ↗One launch; the constellation now numbers in the thousands.
Source: starlink.com ↗Genetic instructions used as a medicine. A real merge of biology and information, limited to one job. · Worldwide
Read the story →The first crewed orbital launch from the United States since 2011, on a commercial vehicle.
Source: nasa.gov ↗The first powered, controlled flight on another planet — 39 seconds, 3 metres up.
Source: science.nasa.gov ↗A 6.5 m mirror unfolds on the way to L2, 1.5 million km from Earth.
Source: science.nasa.gov ↗SLS flies for the first time and Orion loops the Moon uncrewed.
Source: nasa.gov ↗A research preview reaches a hundred million users in two months. · Worldwide
Read the story →Source: openai.com ↗3.15 MJ out from 2.05 MJ of laser light in — more energy out than in, for the first time.
Source: llnl.gov ↗Era 10 · 2023 – 2026
The most powerful rocket ever flown lifts off from Starbase and is terminated four minutes later.
Source: spacex.com ↗India becomes the fourth nation to soft-land on the Moon.
Source: isro.gov.in ↗Intuitive Machines' lander delivers NASA payloads under CLPS.
Source: nasa.gov ↗Boston Dynamics retires hydraulic Atlas and unveils an electric humanoid built for factory work.
Source: bostondynamics.com ↗Flight 5: the booster returns to the pad and is caught by the "chopstick" arms.
Source: spacex.com ↗On its way to study an ocean beneath Europa's ice; arrival 2030.
Source: science.nasa.gov ↗About 5.1 million arms running. One repeated job each. The contribution is a motor, a sensor, and a chip. · Mostly Asia, then the world
Read the story →About 7,000 sold. Still pilots. Reliability, safety, battery time, and a business case are unsolved. · More than half the makers in China
Read the story →Blue Origin's heavy-lift vehicle enters service.
Source: blueorigin.com ↗Firefly's lander operates a full lunar day for NASA.
Source: fireflyspace.com ↗More than half of them Falcon 9; see the live launch board for this year's count.
Source: launches.html ↗As tracked on the Musk desk: every 2026 build, promised versus delivered.
Source: musk.html ↗Reported Sept 29 on The Table — the CEOs' desk.
Source: ceos.html ↗Optimus, Figure, Atlas and the Chinese makers in pilot production — the Robots desk keeps the count.
Source: robots.html ↗Era 11 · not invented yet
Not invented. It would need the chip, the language model, a battery that lasts, and a body that does not fall. The last two are not done. · Not on the calendar
Read the story →Timeline // Decoded — the classic view World timeline — the classic view
Five turning points in the story of spaceflight, networks, and conversational AI. Follow each chapter back to its source.
The full timeline — six eras, every entry sourced ↗World timeline — from the first cells to factory robots ↗
Sputnik 1 becomes the first artificial satellite. The space age begins with a small spacecraft and a radio signal.
Apollo 11 lands humans on the Moon. Explore the engineering and missions behind human spaceflight.
At CERN, Tim Berners-Lee invents the World Wide Web, connecting information through hypertext.
CERN places the World Wide Web software in the public domain on April 30, helping it spread.
OpenAI introduces ChatGPT on November 30 as a research preview. Conversational AI reaches a wider public.