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Há 4 dias · 1931: The electron microscope is invented by Ernst Ruska. 1933: FM radio is patented by inventor Edwin H. Armstrong. 1933: Harry C. Jennings Sr. and his disabled friend Herbert Everest, both mechanical engineers, invented the first lightweight, steel, folding, portable wheelchair with their "X-brace" design.
Há 2 dias · From roughly 1931 to 1937, the Netherlands suffered a deep and exceptionally long depression. This depression was partly caused by the after-effects of the American stock-market crash of 1929, and partly by internal factors in the Netherlands.
Há 1 dia · List of American films of 1931. Dr. Jekyll and Mr. Hyde starring Frederic March. A list of American films released in 1931. Cimarron won Best Picture at the Academy Awards .
Há 4 dias · Thomas Edison (born February 11, 1847, Milan, Ohio, U.S.—died October 18, 1931, West Orange, New Jersey) was an American inventor who, singly or jointly, held a world-record 1,093 patents. In addition, he created the world’s first industrial research laboratory .
8 de mai. de 2024 · Holodomor, man-made famine that convulsed the Soviet republic of Ukraine from 1932 to 1933, peaking in the late spring of 1933. It was part of a broader Soviet famine (1931–34) that also caused mass starvation in the grain -growing regions of Soviet Russia and Kazakhstan.
Há 2 dias · 1941 was a common year starting on Wednesday of the Gregorian calendar, the 1941st year of the Common Era (CE) and Anno Domini (AD) designations, the 941st year of the 2nd millennium, the 41st year of the 20th century, and the 2nd year of the 1940s decade.
Há 1 dia · The later ruler was in turn replaced by Admiral Aznar-Cabañas in February 1931, soon before the scheduled municipal elections of April 1931, which were considered a plebiscite on the Monarchy. Urban voters had lost faith in the monarch and voted for republican parties.
