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Use Cases
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Resources
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Pricing
3500 BC
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First depiction of a wheel was on a clay pot excavated in Poland. However, it is believed that the wheel was invented sometime in 4000 bc.
3500 BC
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Early systems of writing included, Sumerian cuneiform script, Egyptian hieroglyphs, and Cretan hieroglyphs.
3000 BC
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Built in Mesopotamia.
2800 BC
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Earliest forms were found in India.
2400 BC
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Believed to have been of Babylonian origin, the abacus was an instrument used for calculations.
2400 BC
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Excavated from Lothal, India.
1200 BC
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China
800 BC
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First description of gunpowder in China.
800 BC
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Egyptian Obelisks are believed to have been the earliest known examples of sundials.
600 BC
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The Romans extensively used aqueducts to transport water in support of cities and agriculture.
500 BC
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Found on The Giglio Shipwreck off the coast of Tuscany.
450 BC
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China
400 BC
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First known archaeological evidence of a horseshoe found in a tomb in Tuscany.
399 BC
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First described by Greek historian, Diodrus Siculus.
250 BC
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Technology that helped transfer water from lower levels to higher.
200 BC
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Earliest known example is the Perachora Wheel found in Greece.
105 AD
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132 AD
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Pendulum invented in China by Zhang Heng, with the original purpose as a way to detect earthquakes.
220 AD
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During Han Dynasty in China.
1040 AD
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First description of an object used as a compass from China
1286 AD
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Eyeglasses invented in Italy
1440 AD
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Johannes Gutenberg
1510 AD
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1592 AD
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Galileo Galilei was the first to invent the thermometer.
1609 AD
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Galileo Galilei develops first compound microscope.
1609 AD
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Hans Lippershey developed the first refracting telescope in the Netherlands.
1642 AD
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Blaise Pascal, France
1643 AD
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Evangelista Torricelli develops instrument to measure atmospheric pressure.
1687 AD
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Newton's laws of motion, and law of universal gravitation were detailed in the book. Calculus was also invented in the process of developing his work.
1698 AD
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First commercial steam engine developed by Thomas Savery in England.
1759 AD
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Eli Whitney invents machine to deseed cotton. Revolutionized the cotton industry in the American South.
1836 AD
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Samuel Colt invented the "Colt Paterson," the first percussion cap, six-shooter revolver.
1844 AD
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Samuel Morse invents and sends first electrical recording telegraph. Revolutionizes electronic communication.
1873 AD
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Technically invented in the late 1700s, its popularity by the late 1800s helped personal printing flourish.
1876 AD
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Alexander Grahm Bell patents telephone.
1879 AD
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Edison invents a practical incandescent lightbulb.
1903 AD
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Wright brothers invent the Flyer I. Orville flies it for 59 seconds, travelling 852 feet.
1908 AD
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Henry Ford creates a mass-produced automobile, igniting the automobile era.
1945 AD
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United States developed and detonated the first atomic bomb at Los Alamos National Lab.
1957 AD
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Russians launch the first artificial satellite to orbit the Earth.