Important Scientific Events By avdogga101 Jan 1, 1620 First Submarine Jan 1, 1633 First Rocket Jan 1, 1822 First Computer Jan 1, 1831 voyage of ‘the beagle’, including Charles darwin’s visit to Australia Jan 1, 1885 finding the wreck of titanic Jan 1, 1903 First Aeroplane Jan 1, 1906 First Use Of Sonar Jan 1, 1907 First Helicopter Jan 1, 1928 Alexander Flemings discovery of penicillin as a natural antibiotic Jan 1, 1930 First Use Of Atomic Energy Jan 1, 1940 H. flory and E. chain purify penicillin Jan 1, 1950 first exploration of mid-ocean-trenches Jan 1, 1953 J. Watson and F. Crick publish molecular structure of nucleic acids Jan 1, 1957 First satelite Jan 1, 1961 First Manned Space Flight/Moon Landing Jan 1, 1968 A. wegener publishes the origin of Continents and oceans Aug 11, 1973 first exploration of mid ocean ridge Jan 1, 1997 Robot Landing On Mars Jan 1, 2008 finding the wreck of HMAS sydney ll