You can create an event within a Community in the following steps:
1. Click on the Commerce tab on the left side bar.
2. Click on Community.
3. Click on the Community you want to create the event in.
4. Click on the Events tab at the top.
5. Click the Create New Event button
6. Enter in all your necessary information.
7. To view the event on your calendar, make sure you are in the actual month of the event to view your event. It will be grayed out on the display if you are not in the actual month for the event on the calendar
8. Watch the video below for more information.