You may find that an event like your wedding covers a range of events from, obviously, marriage to a holiday (aka a honeymoon) to gaining new family members!. Try to think of all the parts of the event.
Of course, you may have had an uneventful year!
By the way, new research shows that you'll find it easier to remember what happened in the last year if you think of a specific event a year ago to start you off. So you might think, this time last year it was, say, June and I'd just been on holiday. Or this time last year I was knee deep in snow. Or it was my birthday... you get the idea!
You may find that remembering difficult events make you feel stressed. If so, stop for a moment to take some relaxing breaths.
Just to remind you...