1930-2014 By colby atkins Period: Jan 1, 1930 to Dec 31, 1939 1930-1939 Jun 28, 1930 coca-cola add coca-cola ad magazine Mar 19, 1934 creation of a cheesburger cheeseburger creation Mar 27, 1939 creation of the vs-300 helicopter helicopters and igor Period: Jan 1, 1960 to Feb 26, 2014 1960-2014 Feb 26, 1960 ruby laser invented lasers - the history of lasers Feb 26, 1964 carbon dioxide laser invented Nov 10, 1969 sesame street first airs Oct 23, 2001 invention of ipod Feb 26, 2005 youtube created Feb 26, 2009 retinal implants