April 26, 1970 World Intellectual Property Organization (WIPO) is formally created with the goal to promote creative intellectual activity and for facilitating the transfer of technology.
April 27, 1965 Disposable diapers “Pampers” are patented by R.C. Duncan, bringing joy to anyone who had to clean a soiled cloth diaper.
April 28, 1932 Vaccine for a viral disease that wiped out 9% of the U.S. population in 1793 is released. The disease is Yellow Fever.
April 29, 1953 The first experimental 3D TV broadcast is shown on a Los Angeles station.
April 30, 1993 CERN (the European Organization for Nuclear Research) announces that the World Wide Web will be free to anyone, starting the .com boom.
May 1, 1981 Radio Shack releases TRS-DOS 1.3, which replaces cassette tapes with disk files with a capacity of an astounding 89 kilobytes each.
Mzy 2, 2000 GPS, once authorized for military use only, is made available to everyone by authorization of U.S. President Bill Clinton.
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