10 Top Inventions in Technology in Last Century By gruimy22 Jan 1, 1928 Penicillin In 1928, Alexander Fleming accidentally discovered penicillin; people only started to use it in 1940 Jun 17, 1946 Mobile Phone Jan 1, 1951 First Commercial Computer Jan 4, 1958 First Rocket into Space: Sputnik Feb 1, 1958 Internet Apr 4, 1975 Microsoft Apr 1, 1976 Apple Inc. Jan 1, 1982 Email Nov 1, 1995 DVD Feb 1, 2004 Facebook
