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Events. Significant people. Births. Deaths. References. 1420s. The 1420s decade ran from January 1, 1420, to December 31, 1429. Events. 1420. January–December. March – The Çelebi Sultan Mehmed Mosque in Didymoteicho is inaugurated.
The 1420s was a decade that began on 1 January 1420 and ended on 31 December 1429. It is distinct from the decade known as the 143th decade which began on January 1, 1421. and ended on December 31, 1430.
4 days ago · Not until 1995 did Vietnam release its official estimate of war dead: as many as 2 million civilians on both sides and some 1.1 million North Vietnamese and Viet Cong fighters. The U.S. military has estimated that between 200,000 and 250,000 South Vietnamese soldiers died in the war.
- Ronald H. Spector
There are microbial mat fossils such as stromatolites found in 3.48 billion-year-old sandstone discovered in Western Australia. [12] [13] [14] Other early physical evidence of a biogenic substance is graphite in 3.7 billion-year-old metasedimentary rocks discovered in southwestern Greenland [15] as well as "remains of biotic life " found in 4.1 ...
Nov 3, 2019 · When did it start? The current March-November system the US follows began in 2007, but the concept of “saving daylight” is much older.
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The Industrial Revolution, sometimes divided into the First Industrial Revolution and Second Industrial Revolution, was a period of global transition of the human economy towards more widespread, efficient and stable manufacturing processes that succeeded the Agricultural Revolution. Beginning in Great Britain, the Industrial Revolution spread ...
Nov 9, 2009 · The French Revolution was a watershed event in world history that began in 1789 and ended in the late 1790s with the ascent of Napoleon Bonaparte.
