Resultado de búsqueda
800 BC – Canal for transport constructed in Ancient China. 408 BC – Wheelbarrow referenced in Ancient Greece. Middle Ages Horse collars and cart between 1350 and 1375. 5th century – Horse collar invented in China. 6th century – Evidence of a horseshoe in the tomb of the Frankish King Childeric I, Tournai, Belgium.
4th century BC: Traction trebuchet in Ancient China. 4th century BC: Gears in Ancient China; 4th century BC: Reed pens, utilising a split nib, were used to write with ink on Papyrus in Egypt. 4th century BC: Nailed Horseshoe, with 4 bronze shoes found in an Etruscan tomb. 375 BC – 350 BC: Animal-driven rotary mill in Carthage.
The 17th century BC was the century that lasted from 1700 BC to 1601 BC. Nebra sky disk , central Europe 1600 BC. The inlaid gold depicted the crescent moon and the Pleiades star cluster in a specific arrangement forming the earliest known depiction of celestial phenomena.
This category has the following 9 subcategories, out of 9 total. 19th century BC by country (1 C)
Historical earthquakes is a list of significant earthquakes known to have occurred prior to the early 20th century. As the events listed here occurred before routine instrumental recordings, they rely mainly on the analysis of written sources, observations of shaking objects and/or animal behavior during earthquakes and religious/traditional beliefs about earthquakes such as "God's punishment".
Here their interests collided with those of the Greeks, especially in the 6th century BC, when Phoceans of Italy founded colonies along the coast of France, Catalonia and Corsica. This led the Etruscans to ally themselves with the Carthaginians. Around 540 BC, the Battle of Alalia led to a new distribution of power in the western Mediterranean.
19th century Carl Friedrich Gauss. Throughout the 19th century mathematics became increasingly abstract. Carl Friedrich Gauss (1777–1855) epitomizes this trend. [citation needed] He did revolutionary work on functions of complex variables, in geometry, and on the convergence of series, leaving aside his many contributions to science.
