History of Computers By addysonnorquist 1834 1834: Charles Babbage announces the analysis engine 1943 1943: The birth of Mark I Colossus 1954 1954: First prototype of desktop calculators 1956 1969: The creation of ARPANET 1971 1971: The first e-mail is sent 1981 1981: IBM launches a PC 1990 1990: Tim Berners-Lee writes the first website