Having an Overview
In the display page of the categories, click on the eye, on the right, to see the various useful options offered like: - Today's - Week's events, - Calendar and - Statistics.
See them highlighted on the image below:
Specifically for the Calendar view, which gives you an overview of all the events over several months, see an example from the CERN Home Category in the image below.
You can move to past and future months from the calendar on the left banner and show the details for your category. Example: