Click the Calendar tab on the left side of the screen and find the date and time you would like to add your event.

Once you click the time on the calendar you can input details about your event including location, comments, and specific invitations.

There you go! Once you click Create event it will save the updated calendar.

Navigate the Calendar tab on the left side of your screen. At the top of the calendar click "View Options" and under "Card properties" all the blue highlighted events are currently visible on your calendar.

If you want to remove visibility on events from your calendar, click on on the event and press "Save" to confirm changes. Events highlighted in grey are not visible on your calendar.