How Communication Technologies Have Developed Over Time

Events

October 21st 1832
April 3rd 1861
October 9th 1876
August 19th 1894
December 24th 1906
Jan 25th 1915
July 2nd 1928
1943
October 29 1969
July 4th 1971
March 1st 1973
April 3rd 1973
August 16th 1991
December 3 1992
March 1st 1995
August 19 2004