[ih] First ARPANET Link Put Into Service: November 21, 1969

[Jack Haverty]

Perhaps someone in the Bay Area can go to CHM and ask what actually 
happened on November 21, 1969...?   /Jack

On 11/23/25 12:22, Barbara Denny via Internet-history wrote:
>   Here is Don Nielson's response to my inquiry.  I did cut out the first paragraph as it only was for me. There is a typo regarding the 1972 ICC meeting.
> barbara
>     ----- Forwarded Message ----- From: Don Nielson <nielsonz at pacbell.net>To: Barbara Denny <b_a_denny at yahoo.com>Sent: Friday, November 21, 2025 at 10:05:40 PM PSTSubject: Re: Fw: [ih] First ARPANET Link Put Into Service: November 21, 1969
>   "*** paragraph deleted*****
>   
>   I'm certain about the following:
>   
>   1.  First ARPANET connection - Between Bill Duvall at SRI and Charlie Kline of UCLA
>       on what has been accepted as 29 Oct 1969.  I tried my best to confirm the date
>       while this date was being pushed by Len Kleinrock of UCLA. Even I and Marc Weber
>       the CHM dug into Engelbart's dinky handwritten notebooks and other stuff on file at
>       Stanford. As far as we could tell, nothing was noted on the SRI end, indicating no big
>       deal at the time.  So, what has come to be accepted derives from a brief jot on Charlie's
>       scratchpad:  "22:30  Talked to SRI Host to Host". Charlie and Bill are still around
>       and have confirmed and elaborated on the incident, being quoted in some places.
>   2. ARPANET demo at the International Computer Communication Conference in WDC
>       of NCP in Oct 19723.
>   3. First 2-net demo of TCP was on 27 Aug 1976.  PRNET and ARPANET.
>   4. First 3-net demo of TCP was on 22 Nov 1977.  PRNET, SATNET, and ARPANET.
>   
>   All this is easily available so 21 Nov 1969 seems an aberration by someone.
>   Take good care,  Don
>   
>   
>   On 11/21/25 10:14 AM, Barbara Denny wrote:
>    
>   
>   Hi Don
>    Hope you are doing well.  This came up on the internet history list.  I am wondering if you could shed some insight on the log.
>    Hope you have a good holiday.
>    barbara
>      ----- Forwarded Message ----- From: Vint Cerf via Internet-history <internet-history at elists.isoc.org> To: Jack Haverty <jack at 3kitty.org> Cc: "internet-history at elists.isoc.org" <internet-history at elists.isoc.org> Sent: Friday, November 21, 2025 at 09:50:33 AM PST Subject: Re: [ih] First ARPANET Link Put Into Service: November 21, 1969
>     crocker and I were wondering the same thing off the list.
>   v
>   
>   
>   On Fri, Nov 21, 2025 at 12:49 PM Jack Haverty via Internet-history <
>   internet-history at elists.isoc.org> wrote:
>   
>   > Can anyone explain why the article says "What Happened on November 21st"
>   > but the image of the "First ARPANET IMP log" shows "29 OCT"? /Jack
>   >
>   > On 11/21/25 09:37, vinton cerf via Internet-history wrote:
>   > > there are so many milestone dates....
>   > >
>   > > v
>   > >
>   > >
>   > >
>   > > On Fri, Nov 21, 2025 at 12:03 PM Frantisek Borsik via Internet-history <
>   > > internet-history at elists.isoc.org> wrote:
>   > >
>   > >> Happy birthday to the Internet!
>   > >>
>   > >> https://www.computerhistory.org/tdih/november/21/
>   > >>
>   > >> All the best,
>   > >>
>   > >> Frank
>   > >>
>   > >> Frantisek (Frank) Borsik
>   > >>
>   > >>
>   > >> *In loving memory of Dave Täht: *1965-2025
>   > >>
>   > >> https://libreqos.io/2025/04/01/in-loving-memory-of-dave/
>
>       
>     

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