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Hace 4 días · 1928: Penicillin is first observed to exude antibiotic substances by Nobel laureate Alexander Fleming. Development of medicinal penicillin is attributed to a team of medics and scientists including Howard Walter Florey, Ernst Chain and Norman Heatley. 1928: Frank Whittle formally submitted his ideas for
Hace 5 días · Model 1928 A deactivated M1928 Thompson submachine gun at Alcatraz, San Francisco Bay. The Model 1928 was the first type widely used by military forces, with the U.S. Navy and U.S. Marine Corps as major buyers through the 1930s.
- 10.52 in (267 mm), 12 in (300 mm) (with Cutts compensator)
- United States
- 164 yds (150 m)
- 900rpm (M1921), 700–800rpm (M1928), 600-700rpm (M1A1)
Hace 4 días · La Copa América es organizada desde 1916 por la Confederación Sudamericana de Fútbol (CSF) . Leandro Ezequiel Gómez 09 mayo de 2024. El 17 de julio de 1916 el football había conocido al primer campeón continental de la historia. El deporte iba en irrefrenable crecimiento y la Confederación Sudamericana (CSF) podía mantener sus planes ...
Hace 2 días · 1928 and 1929 were the times in the 20th century that the wealth gap reached such skewed extremes; half the unemployed had been out of work for over six months, something that was not repeated until the late-2000s recession. 2007 and 2008 eventually saw the world reach new levels of wealth gap inequality that rivalled the years of 1928 and 1929.
Hace 4 días · Wikimedia Commons has media related to 1925. 1925 ( MCMXXV) was a common year starting on Thursday of the Gregorian calendar, the 1925th year of the Common Era (CE) and Anno Domini (AD) designations, the 925th year of the 2nd millennium, the 25th year of the 20th century, and the 6th year of the 1920s decade.
Hace 2 días · The military history of Japan covers a vast time-period of over three millennia - from the Jōmon ( c. 1000 BC) to the present day. After a long period of clan warfare until the 12th century, there followed feudal wars that culminated in military governments known as the Shogunate. History of Japan records that a military class and the Shōgun ...
Hace 3 días · However, by the end of British rule, India's economy represented a much smaller proportion of global GDP. In 1820, India's GDP was 16% of the global GDP. By 1870, it had fallen to 12%, and by 1947 to 4%. The Republic of India, founded in 1947, adopted central planning for most of its independent history, with extensive public ownership ...
