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The first message sent over the Internet was 'lo' and it was exactly 45 years ago

45 years ago, on October 29, 1969, the first ever electronic message was sent between two computers that were literally side by side.

Updated:October 29, 2014, 1:09 PM IST
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The first message sent over the Internet was 'lo' and it was exactly 45 years ago
45 years ago, on October 29, 1969, the first ever electronic message was sent between two computers that were literally side by side.

Can you imagine how life would have been now if there was no Internet? 45 years ago, on October 29, 1969, the first ever electronic message was sent between two computers that were literally side by side with their only physical connection being through the ARPANET, one of the first computer networks of the world. The picture above is a record of the first message ever sent over the ARPANET. It took place at 22:30 hours on October 29, 1969. This record is an excerpt from the "IMP Log" that was kept at UCLA (University of California, Los Angeles).

Professor Kleinrock was supervising his student/programmer Charley Kline (CSK) and they set up a message transmission to go from the UCLA SDS Sigma 7 Host computer to another programmer, Bill Duvall, at the SRI SDS 940 Host computer. The transmission itself was simply to "login" to SRI from UCLA. They succeeded in transmitting the "l" and the "o" and then the system crashed! Hence, the first message on the Internet was "lo", as in "lo and behold! They were able to do the full login about an hour later.

In recognition of the event, October 29 is also celebrated as the International Internet Day.



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