After each event, the total points you scored can be found in the Event information page. The Event leaderboard (those players who scored the most points) can be found in the Event History Page. 

If it was a Kingdom vs. Kingdom Kill Event, the Winning Kingdom will also be announced in the Kingdom Event History Page. 

Where to find the Event Result?
Go to Menu > Event > Tap 'Kingdom' on the left panel > Tap 'History' on the top-right.