Case Study A Timeline By Jack_Edmonstone Period: Jul 18, 1600 to Jul 21, 2015 Timeline Sep 5, 1620 1st Submarine Jul 18, 1859 Charles Darwin Publishes “The origin of the Species” Dec 17, 1903 First Aeroplane Mar 31, 1906 1st use of Sonar Jun 20, 1906 1st use of Electricity Sep 21, 1912 Alfred Wegener Publishes “The origin of continents and oceans” Jul 18, 1926 1st Rocket Apr 30, 1928 Alexander Flemings discovery of penicillin Sep 14, 1939 1st Helicopter Sep 21, 1939 1st use of Atomic energy Oct 4, 1940 Howard Florey and Ernst Chain purifying penicillin Feb 15, 1946 1st Computer Jul 18, 1951 1st deep-sea exploration an Ocean Trench Apr 25, 1953 James Watson and Francis crick publish “Molecular Structure of nucleic acids” Jul 17, 1953 1st deep-sea exploration of A mid-ocean ridge Oct 4, 1959 1st Satetille Apr 12, 1961 1st manned space flight Jul 24, 1969 1st moon landing Jul 8, 1997 1st robot landing on Mars Mar 21, 2006 Finding the wreck of HMAS Sydney
