~541 million years agoScience & Technology
Cambrian Period
The Cambrian explosion saw the rapid diversification of most major animal phyla, fundamentally transforming life on Earth.
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Science & Technology
16 events in this category
~570 BCEScience & Technology
Birth of Pythagoras
Pythagoras, the Greek mathematician and philosopher, was born on the island of Samos.
Europe
~340 BCEScience & Technology
Aristotle's Contributions to Science and Philosophy
Aristotle made groundbreaking arguments for a spherical Earth and laid the foundations of logic, science, and Western philosophy.
Europe
~300 BCEScience & Technology
Euclid Writes The Elements
Euclid of Alexandria compiled The Elements, one of the most influential mathematical texts ever written.
Africa
1514Science & Technology
Copernicus Proposes Heliocentric Model
Nicolaus Copernicus proposed that the Sun, not the Earth, was at the center of the solar system.
Europe
July 5, 1687Science & Technology
Newton Publishes Principia Mathematica
Isaac Newton published his Principia, laying the foundations of classical mechanics and universal gravitation.
Europe
November 24, 1859Science & Technology
Theory of Evolution Published
Charles Darwin published "On the Origin of Species," introducing the theory of evolution by natural selection.
Europe
December 17, 1903Science & Technology
First Powered Flight
The Wright Brothers achieved the first sustained, controlled, powered heavier-than-air flight at Kitty Hawk, North Carolina.
Americas
November 1915Science & Technology
Einstein Publishes General Theory of Relativity
Albert Einstein published his general theory of relativity, revolutionizing our understanding of gravity, space, and time.
Europe
1929Science & Technology
Hubble Discovers the Expanding Universe
Edwin Hubble observed that distant galaxies are moving away from us, proving the universe is expanding.
Americas
December 16, 1947Science & Technology
Transistor Invented
The transistor was invented at Bell Labs, launching the electronics revolution that shaped the modern world.
Americas
April 25, 1953Science & Technology
DNA Structure Discovered
James Watson and Francis Crick described the double helix structure of DNA, unlocking the secret of genetic information.
Europe
1958Science & Technology
Integrated Circuit Invented
The integrated circuit was independently invented by Jack Kilby and Robert Noyce, enabling the microelectronics era.
Americas
July 20, 1969Science & Technology
Moon Landing
NASA's Apollo 11 mission successfully landed the first humans on the Moon, fulfilling President Kennedy's vision.
Americas
1978Science & Technology
Nobel Prize for Cosmic Microwave Background Discovery
Arno Penzias and Robert Wilson received the Nobel Prize for discovering cosmic microwave background radiation, confirming the Big Bang theory.
Americas
August 6, 1991Science & Technology
World Wide Web Goes Public
Tim Berners-Lee made the World Wide Web available to the general public, transforming global communication.
Europe