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The 1840s (pronounced "eighteen-forties") was a decade of the Gregorian calendar that began on January 1, 1840, and ended on December 31, 1849. The decade was noted in Europe for featuring the largely unsuccessful Revolutions of 1848 , also known as the Springtime of Nations .
Ancient history – Aggregate of past events from the beginning of recorded human history and extending as far as the Early Middle Ages or the Postclassical Era. The span of recorded history is roughly five thousand years, beginning with the earliest linguistic records in the third millennium BC in Mesopotamia and Egypt .
1840: John Herschel invents the blueprint. [423] 1841: Alexander Bain devises a printing telegraph. [424] 1842: William Robert Grove invents the first fuel cell. 1842: John Bennet Lawes invents superphosphate, the first man-made fertilizer. 1844: Friedrich Gottlob Keller and, independently, Charles Fenerty come up with the wood pulp method of ...
An economic recession occurred from the late 1830s to the early 1840s when the adoption of the Industrial Revolution's early innovations, such as mechanised spinning and weaving, slowed as their markets matured; and despite the increasing adoption of locomotives, steamboats and steamships, and hot blast iron smelting.
The ideology of the modern world first penetrated the ancient civilizations which had hitherto resisted European ideas through French influence. This was the work of the French Revolution. [3] Storming of the Bastille on July 14 (Bastille Day), 1789
Many early innovations of the Bronze Age were prompted by the increase in trade, and this also applies to the scientific advances of this period. For context, the major civilizations of this period are Egypt, Mesopotamia, and the Indus Valley, with Greece rising in importance towards the end of the third millennium BC.
The middle and working classes thus shared a desire for reform, and agreed on many of the specific aims. Their participation in the revolutions, however, differed. While much of the impetus came from the middle classes, the physical backbone of the movement came from the lower classes. The revolts first erupted in the cities.
The settlers came mainly from the English colony of Barbados and brought enslaved Africans with them. Barbados was a wealthy sugarcane plantation island, one of the early English colonies to use large numbers of Africans in plantation-style agriculture. The cultivation of rice was introduced during the 1690s and became an important export crop.