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Category: 20th-century inventions. 19 languages. ... Print/export Download as PDF; Printable version; In other projects
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents [7] relating to several well-known inventions appearing throughout the timeline below.
Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; Help This is a ... 20th-century inventions (2 C, 119 P)
The 20th century saw mathematics become a major profession. As in most areas of study, the explosion of knowledge in the scientific age has led to specialization: by the end of the century there were hundreds of specialized areas in mathematics and the Mathematics Subject Classification was dozens of pages long. [72]
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.
May 31: Establishment of 20th Century Fox. March 21: Reza Shah of Iran asks the international community to formally adopt the name "Iran" to refer to the country, instead of the name "Persia". June 12: Chaco War ends. September 15: Enactment of the Nuremberg racial laws. October 3: The Second Italo-Ethiopian War begins and goes until February 1937.
Category: 20th-century inventors. ... Print/export Download as PDF; Printable version; In other projects Wikimedia Commons;