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,

Breakthrough technologies

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