1928 Alexander Fleming, discovered penicillin, Penicillin, a life-saving antibiotics, 1957 Russia, launched Sputnik, 1961, Yuri Gagarin flew to the orbit, Nikola Tesla, pioneered the use of AC, 1799,French soldiers, came across a stone Rosetts, The Rosetta Stone, Egyptian hieroglyphics, Space exploration, completed one orbit, Medicine, led to the development of antibiotics

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