Science Important dates By LucasBRUH420 Jan 1, 1620 First Submarine Jan 1, 1859 Charles Darwin Publishes Origins of Species Jul 17, 1903 First Aeroplane Jul 17, 1906 Electricity Jul 17, 1906 Sonar Jul 17, 1926 First Rocket Jul 17, 1928 Penicillin Discovered Jul 17, 1929 The Origins of continents and oceans Jul 17, 1939 Penicillin Purified Period: Jul 17, 1939 to Jul 17, 1945 Atomic Energy Sep 14, 1939 First Helicopter Jul 17, 1946 First Computer Jul 17, 1951 First explored an oecan trench Apr 25, 1953 DNA Jul 17, 1953 Exploration of A MID-OCEAN Trench Jul 17, 1957 first Satellite Jul 17, 1961 Space Flights Jul 17, 1962 Wilkens ect Noble Prize Jul 20, 1969 Moon Landing Jul 20, 1985 Titanic Found Jul 6, 1997 First Robot landing on Mars Jul 20, 2008 HMAS Sydney Found