Watch this video to learn how to get the most out of user submitted events.
You'll want to fill your calendar with every public appearance your candidate will be involved with - even t.v., radio, and podcast interviews.
It can be a good practice to accept RSVPs even for events that don't require it. This gives you another touch point to gather supporter contact information and will allow you to follow up with people after the event occurs. Equally important, especially for public events, you can keep track of who actually attended the event (often a subset of the RSVPs), by checking people in at Event settings > Attendees.