You are able to manage event series within the Calendar . Whenever you see a loop icon on an event, this means it is part of a series.
Who can use this feature?
System Administrator | Owner | Publisher
Instructions
Navigate to Modules and on the Content tab, select Calendar
Select the Calendar with the desired recurring event
Click Actions next to the event series
Select Modify, Publish, Unpublish, or Archive
Select a Modification option
This and Following Events: Modify all events within the series
Single Event: Only modify this single event
Note:
If you select Single Event, it will remove that event from the series.
Select Save Changes or Save and Send