Carbonated soda water was invented  in 1767 by Joseph Priestley, the discoverer of oxygen.


Chewing gum was patented in  1869 by William Semple.


IBM’s motto is ‘Think’


Most lipstick contains fish  scales.


The 1st personal computer,  the Apple II, went on sale in 1977.


The first seeing-eye dog was presented to a blind  person on April 25, 1938.


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