Science By Liam_Booth Jul 20, 1859 The theory of evolution by charles darwin Dec 17, 1903 Aeroplane Jul 20, 1906 First Use of Electricity Jul 20, 1906 First use of sonar Jul 20, 1912 Wreck of the titanic Jul 20, 1912 The book origins of continents and oceans published Jan 1, 1920 First Submarine Jul 20, 1926 First Rocket Jul 20, 1928 Discovery of Penicillan Jul 20, 1939 First use of Atomic Energy Sep 14, 1939 First Helicopter Jul 20, 1941 Destruction of the HMAS Sydney II Jul 20, 1945 Mass production of penicillan Feb 15, 1946 First Computer Jul 20, 1951 First deep sea exploration of an ocean trench Jul 20, 1953 First deep sea exploration of a mid ocean ridge Jul 20, 1953 Discovery of DNA Oct 4, 1957 First Satellite Apr 12, 1961 First Manned Space flights Jul 20, 1962 Watson, Crick and Wilkens receive nobel prize for work on DNA Jul 16, 1969 First manned moon landing Jul 6, 1997 First robot on mars