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The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
2 Pre-20th century. 3 20th century. 4 21st century. ... 1999 – Discovery of ... 2010-Over the past two decades, a considerable focus has been directed toward ...
12 April 1999: The 64-year-old businessman from Minsterworth, England, attempted to light a bonfire with gasoline, but inadvertently set his clothes on fire. He then ran to the River Severn, jumped in, and eventually drowned. His body was not found until 30 April 1999. [255] [256] Valerie Olusanya: 25 April 1999
Who: Frank Epperson, 11-year-old boy. When: 1905. How it was created: When soda pop first hit the market, 11-year-old Frank Epperson decided to save money and make his own. He combined powder and ...
Pages in category "20th-century inventions" The following 128 pages are in this category, out of 128 total. This list may not reflect recent changes. A.
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
c. 1030 – Avicenna The Canon of Medicine The Canon remains a standard textbook in Muslim and European universities until the 18th century. c. 1071 – 1078 – Simeon Seth or Symeon Seth an 11th-century Jewish Byzantine translated Arabic works into Greek [20] 1084 – First documented hospital in England Canterbury [17]
4th century BC: The first true formal system is constructed by Pāṇini in his Sanskrit grammar. [34] [35] 4th century BC: Eudoxus of Cnidus states the Archimedean property. [36] 4th century BC: Thaetetus shows that square roots are either integer or irrational. 4th century BC: Thaetetus enumerates the Platonic solids, an early work in graph ...