Click the Plus button at the bottom left of your screen on a Page. Select the Events Block.
On the "Events" Tab you have some options to determine which events you'd like to show.
Reads in all of you events.
Reads in events from that category
Allows you to select the events that you want to display.
Sync From Planning Center:
This is a Premium Feature that will read in your events from your Planning Center Events/Registrations System.