Hi Michael,

Michael Käufl <org-mode@lists.michael-kaeufl.de> writes:

> I tried to enter a date before 01/01/1970 using “C-c .” (org-time-stamp) and 
> org replaced the year by 2011. (The same problem occurs with org-time-stamp-
> inactive and the C-u prefixed variants.)
>
> Although I guess that this is related to the unix time, which starts on 
> 01/01/1970 00:00, my lisp skills aren't good enough to let me find the 
> responsible code line.
>
> Maybe there is someone who can fix this or tell me that it's a feature, not a 
> bug;)

The attached patch allows dates before 1970.  I tested it and I didn't
see any side-effect so far -- but there must a good reason why we have 
this limitation.

Carsten, could you tell where this limitation is necessary?

Thanks,