Archiving the orage .ics file writes in ~.xsession-errors: "Archiving events, which are older than: 0113-10-19".
I have archiving set to 2 months. Nothing is written to the archive file. This looks like one of the y2k problems I worked on a few years ago. ;-)
Probably best to create bug report (https://bugzilla.xfce.org/buglist.cgi?c … lution=---).