Close
By Era

Mind Map: 2.6 Million Years of Inventions

1001 Inventions Team

  • October 21, 2026
  • 20 Min Read
Mind Map: 2.6 Million Years of Inventions

Two and a half million years of human ingenuity do not fit on one page, so we drew a map. Each branch below is an era or a theme. Click a branch to open it, drag the canvas to move around, and press Full screen for the big picture. Branches that have a full guide link straight to it.

2600000+ yearsof tool-making history
7 erasfrom the Stone Age to AI
8 themesfrom medicine to maps
25+ guideswritten and growing
In this guide

    Mind map 1: inventions by era

    Start here if you like to think in time. Open a branch to see its key inventions, and click an invention to read what it did. Entries with a green button lead to a long guide.

    By era
    • Inventions: Eight branches, one per era of human invention. Click a branch to open it.
      • Prehistoric: Before 3000 BCE: tools, fire and the first farms.
        • Stone tools: The oldest known stone tools are about 2.6 million years old and come from Africa.
        • Control of fire: Cooking, warmth and protection. Evidence of controlled fire stretches back hundreds of thousands of years.
        • Pottery: Fired clay vessels appear in East Asia more than 15,000 years ago.
        • Agriculture: Farming began independently in several regions around 10,000 BCE.
        • The wheel: Wheeled vehicles appear around 3500 BCE.
      • Ancient: 3000 BCE to 500 CE: writing, numbers and big engineering.
        • Writing: Cuneiform in Mesopotamia and hieroglyphs in Egypt, around 3200 BCE.
        • Paper: Cai Lun refined papermaking in China in 105 CE.
        • Zero: A number and a placeholder, fully developed in India.
        • Roman concrete: Volcanic ash concrete that built the Pantheon.
        • Indus drainage: Planned cities with covered drains around 2500 BCE.
      • Medieval: 500 to 1400: navigation, powder and spectacles.
        • Compass: A floating needle for finding direction at sea.
        • Gunpowder: Developed in China, spread west over centuries.
        • Mechanical clock: Weight-driven clocks in European towers, around 1300.
        • Spectacles: Reading glasses appear in Italy in the late 1200s.
        • Algebra: Al-Khwarizmi’s book gave the subject its name, around 820 CE.
      • Renaissance: 1400 to 1700: print, optics and better maps.
        • Printing press: Gutenberg’s movable-type press, around 1440.
        • Mercator map: A map projection built for sailors, 1569.
        • Telescope: First used for astronomy around 1609.
        • Microscope: Opened up the world of cells and germs.
        • Pendulum clock: Huygens, 1656: accurate timekeeping.
      • Industrial: 1700 to 1900: engines, light and wires.
        • Steam power: From Newcomen and Watt to railways.
        • Photography: Fixing light on a plate, 1820s-1830s.
        • Vaccination: Jenner, 1796.
        • Telegraph: Messages as electric pulses.
        • Electric light: Practical lamps from the late 1870s.
      • Modern: 1900 to 2000: antibiotics, chips and rockets.
        • Penicillin: Discovered in 1928; the first antibiotic.
        • Transistor: Bell Labs, 1947: the switch behind all electronics.
        • Space flight: Sputnik in 1957, Moon landing in 1969.
        • Solar cell: The practical silicon cell appeared in 1954.
        • Airplane: Powered flight in 1903.
      • 21st century: 2000 onwards: phones, AI and electric roads.
    Click a branch to open it. Drag to move the map. Use Ctrl and the mouse wheel, or the + and minus buttons, to zoom.

    Mind map 2: inventions by theme

    Prefer to follow one idea through history? This map groups the same inventions by purpose. Notice how often one field leans on another: printing needed paper, the transistor needed zero-based mathematics, and smartphones need all of the above.

    By theme
    Click a branch to open it. Drag to move the map. Use Ctrl and the mouse wheel, or the + and minus buttons, to zoom.

    How to read a mind map

    Four steps to get the most from it

    Start from the centre

    The middle node is the big question. Everything else is an answer or a part of an answer.

    Follow one colour

    Each main branch has its own colour, so you can follow a single story without losing your place.

    Open, then zoom in

    Click a branch to reveal its children. Use the zoom buttons when the map gets busy.

    Jump to the guide

    Click a leaf, read the short note, then press the green button to open the full article.

    Test yourself

    Key takeaways

    • An invention is rarely alone: each one stands on earlier ones.
    • Eras give you the “when”, themes give you the “why”.
    • Every branch with a green button has a long guide with sources.

    Sources

    Dates are rounded and, for prehistoric items, approximate. Individual guides carry their own detailed sources.

    The War panel of the Standard of Ur showing Sumerian chariots with solid wooden wheels, about 2600 BCE
    Previous Post

    Next Post

    7 Comments

    Leave a Reply

    Your email address will not be published. Required fields are marked *