How can I identify the first occurrence of a repeating event in Calendar

Before Sierra Calendar and after "defaults write com.apple.iCal IncludeDebugMenu 1" we could locate the first event of a repeating event in our calendar. This was extremely useful for deleting all linked events from without having to hunt them down one by one. This would be required if one of the events became disassociated from the rest of the repeating events because a change had been made to it, like time of day.

Has anyone figured out how to replace this removed "feature" - the debug menu?

Solution 1:

One out-of-the-box method is to drag the event to the desktop, creating a .ics file. When you have a QuickLook of the .ics file by pressing the space bar, a preview of the recurring event will come up with the event's start date in the title bar. Works with Big Sur.

Solution 2:

Pull up the calendar on your Mac, search for the title of the event, find the first occurrence, and delete that. It will ask if you want to delete the whole series.

Solution 3:

OK! I used the old show debug menu command from Mavericks and it works in High Sierra - Catalina! Looks like this is the first time this info has been published for High Sierra, hope folks find it useful. Only trouble is "Show Master Event" is no longer in the menu.

defaults write com.apple.iCal CDB 1