(In reply to spikeevans from comment #77) > I have also tried ToadHall solution, with no luck; calendar is still empty.
I had removed the storage.sdb file to be able to add new events to the empty calendar; when I restored storage.sdb; this worked for me. Thanks much -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1945368 Title: Thunderbird 91 forgets default calendar To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1945368/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
