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This event is followed by the beginning of the Iron Age. We define the Iron Age as ending in 510 BC for the purposes of this article, even though the typical definition is region-dependent (e.g. 510 BC in Greece, 322 BC in India, 200 BC in China), thus being an 800-year period. [e]
Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War; Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
The 1890s (pronounced "eighteen-nineties") was a decade of the Gregorian calendar that began on January 1, 1890, and ended on December 31, 1899.. In American popular culture, the decade would later be nostalgically referred to as the "gay nineties" ("gay" meaning carefree or cheerful).
The year 1890 in science and technology involved some significant events, listed below. Biology ... Jacques Loeb publishes his first major work on tropism, ...
May 3 – James B. Beck, U.S. Senator from Kentucky from 1877 to 1890 (born 1822 in Scotland) May 15 – Edward Doane, Protestant missionary in Micronesia (born 1820) June 11 George Edward Brett, publisher (born 1829) Hugh Buchanan, politician from Georgia (born 1823) June 30 – Samuel Parkman Tuckerman, composer (born 1819)
A birch-bark letter with spelling lessons and drawings made by a 6–7 year old Novgorodian boy named Onfim. Birch bark document A birch bark document is a document written on pieces of birch bark. This form of writing material was developed independently by several ancient cultures.
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.