important events in communication technology
TRANSCRIPT
IMPORTANT EVENTS IN
COMMUNICATION TECHNOLOGY
By: Ben Lew
45,000 B.C.
3500 B.C.
900 B.C.
776 B.C.
105
450
900
1450
1609
1792
1830’s
1837
1876
1877
1884
1866
1901
1924
1928
1963
1970
1972
1975
1979
1982
1990
1993