There are two things that you must do to see events on your main calendar page. The first is to subscribe to the calendars with the events you wish to have displayed. The second is the calendar must be checked to be viewed in the "Subscribed Calendars" box on the left of the calendar main page for events in that calendar to be displayed.
For more information see the
Calendar Help. To view the calendar help click Settings (the gear icon in the top right of the page), then Help. If you need hands-on help, talk to your ward clerk or ward website administrator.