On Thursday,  9 Mar 2017 at 15:55, Christian Brandstätter wrote:
> Dear list,
>
> I am rather new to org and I have a question to practitioners: How do 
> you adjust your priorly set up dates (deadline extension, etc.)? I would 
> manually delay certain entries. Thus I would lose the information of the 
> original schedule. Is there a simple way to keep that information?

You could always simply add a note for the particular headline,
org-add-note (C-c C-z), indicating that you changed the deadline or
whatever?  That's what I do if that change matters.

-- 
: Eric S Fraga (0xFFFCF67D), Emacs 26.0.50.1, Org release_9.0.3-241-gc3d67b