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Hace 10 horas · 1st century AD: The aeolipile, a simple steam turbine is recorded by Hero of Alexandria. [263] 1st century AD: The first use of respiratory protective equipment is documented by Pliny the Elder ( c. 23 AD –79) using animal bladder skins to protect workers in Roman mines from red lead oxide dust.
Hace 10 horas · Edited by Joannes Andreas de Bussi, this impression lacks the third book of Ad Quirinum; it was to be printed in c. 1477 in Deventer by Richardus Pafraet . [16] [114] [115] Also, Cyprian’s epistolary is here incomplete; three letters were added by Erasmus in 1520 and sixteen new letters were printed in 1563 in Rome by Paulus Manutius , together with two of Novatian’s three extant letters.
Hace 1 día · Location of the Buddhas of Bamiyan within Afghanistan. The Buddhas of Bamiyan ( Pashto: د باميانو بودايي پژۍ, Dari: تندیسهای بودا در بامیان) were two possibly 6th-century [3] monumental Buddhist statues in the Bamiyan Valley of Afghanistan. Located 130 kilometres (81 mi) to the northwest of Kabul, at an ...
Hace 6 días · Homs was one of the largest cities in Syria in the 12th century with a population of 7,000. [97] In 1785, the inhabitants of Homs numbered more than 2,000 and the population was divided almost evenly between Eastern Orthodox Christians and Muslims. The 1860s saw a rise in the population to 15,000–20,000. [68]
Hace 10 horas · Mexican–American War; Clockwise from top: Winfield Scott entering Plaza de la Constitución after the Fall of Mexico City, U.S. soldiers engaging the retreating Mexican force during the Battle of Resaca de la Palma, U.S. victory at Churubusco outside of Mexico City, Marines storming Chapultepec castle under a large U.S. flag, Battle of Cerro Gordo
Hace 5 días · Martin Van Buren ( / væn ˈbjʊərən / van BURE-ən; Dutch: Maarten van Buren [ˈmaːrtə (n) vɑm ˈbyːrə (n)] ⓘ; December 5, 1782 – July 24, 1862) was an American lawyer, diplomat, and statesman who served as the eighth president of the United States from 1837 to 1841. A primary founder of the Democratic Party, he served as New York's ...
Hace 2 días · iPad iPad Pro (6th generation) Developer Apple Manufacturer Foxconn (on contract) Pegatron Type Tablet computer Release date April 3, 2010 ; 14 years ago (April 3, 2010) (1st generation) Units sold 677.7 million as of 2022 Operating system iOS (2010–2019) iPadOS (2019–present) Connectivity WiFi, cellular, 30-pin dock connector, Lightning connector, USB-C, 3.5mm headphone jack, 3-pin "Smart ...
