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Hace 1 día · Formaldehyde ( / fɔːrˈmældɪhaɪd / ⓘ for-MAL-di-hide, US also / fər -/ ⓘ fər-) ( systematic name methanal) is an organic compound with the chemical formula CH2O and structure H−CHO, more precisely H2C=O. The compound is a pungent, colourless gas that polymerises spontaneously into paraformaldehyde.
Hace 1 día · The Fourteenth Amendment (1868) granted United States citizenship to former slaves and to all persons "subject to U.S. jurisdiction." It also contained three new limits on state power: a state shall not violate a citizen's privileges or immunities; shall not deprive any person of life, liberty, or property without due process of law; and must guarantee all persons equal protection of the laws.
Hace 1 día · Napoleon III. Napoleon III (Charles-Louis Napoléon Bonaparte; 20 April 1808 – 9 January 1873) was the first president of France from 1848 to 1852, and the last monarch of France as Emperor of the French from 1852 until he was deposed on 4 September 1870. Prior to his reign, Napoleon III was known as Louis Napoleon Bonaparte.
Hace 1 día · Taiping Rebellion. The Taiping Rebellion, also known as the Taiping Civil War or the Taiping Revolution, was a civil war in China between the Manchu -led Qing dynasty and the Hakka -led Taiping Heavenly Kingdom. The conflict lasted for 14 years, from its outbreak in 1850 until the fall of Nanjing —which they had renamed "Tianjing"—in 1864.
Hace 1 día · www .dmgov .org. Des Moines ( / dəˈmɔɪn / ⓘ də-MOYN) is the capital and most populous city in the U.S. state of Iowa. It is the county seat of Polk County with parts extending into Warren County. It was incorporated on September 22, 1851, as Fort Des Moines, which was shortened to "Des Moines" in 1857. [6] It is located on, and named ...
Hace 3 días · Lynching of John William Clark in Cartersville, Georgia, September 1930, after killing Police Chief J. B. Jenkins [1] Lynching was the widespread occurrence of extrajudicial killings which began in the United States ' pre–Civil War South in the 1830s and ended during the civil rights movement in the 1950s and 1960s.
Hace 2 días · Austria-Hungary. Austria-Hungary, often referred to as the Austro-Hungarian Empire or the Dual Monarchy, was a multi-national constitutional monarchy in Central Europe [c] between 1867 and 1918. Austria-Hungary was a military and diplomatic alliance of two sovereign states with a single monarch who was titled both emperor of Austria and King of ...
