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Hace 2 días · Colombia, officially the Republic of Colombia, is a country primarily located in South America with insular regions in North America.The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuela to the east and northeast, Brazil to the southeast, Ecuador and Peru to the south and southwest, the Pacific Ocean to the west, and Panama to the northwest.
Hace 3 días · 1810: Nicolas Appert invents the canning process for food. 1810: Abraham-Louis Breguet creates the first wristwatch. 1811: Friedrich Koenig invents the first powered printing press, which was also the first to use a cylinder. 1812: William Reid Clanny pioneered the invention of the safety lamp which he improved in later years.
Hace 3 días · Life expectancy, more technically called the curtate expected lifetime and denoted , [a] is the mean of —that is to say, the expected number of whole years of life remaining, assuming survival to age . [152] So, (2) Substituting ( 1) into the sum and simplifying gives the final result [153]
Hace 2 días · U.S. President Harry Truman signing into law the Luce–Celler Act in 1946 [74] In 1945, the War Brides Act allowed foreign-born wives of U.S. citizens who had served in the U.S. Armed Forces to immigrate to the United States. In 1946, the War Brides Act was extended to include the fiancés of American soldiers.
Hace 1 día · 1. 1799–1803 1807–1813 1815. Field Marshal Arthur Wellesley, 1st Duke of Wellington, KG, GCB, GCH, PC, FRS ( né Wesley; 1 May 1769 – 14 September 1852) was an Anglo-Irish statesman, soldier, and Tory politician who was one of the leading military and political figures of 19th-century Britain, serving twice as prime minister of the United ...
Hace 6 días · African-American history started with the arrival of Africans to North America in the 16th and 17th centuries. Former Spanish slaves who had been freed by Francis Drake arrived aboard the Golden Hind at New Albion in California in 1579. [1] The European colonization of the Americas, and the resulting Atlantic slave trade, led to a large-scale ...
Hace 3 días · Stainless steel, also known as inox, corrosion-resistant steel ( CRES) and rustless steel, is an alloy of iron that is resistant to rusting and corrosion. It contains iron with chromium and other elements such as molybdenum, carbon, nickel and nitrogen depending on its specific use and cost. Stainless steel's resistance to corrosion results ...
