Upcoming Eso Events 2024 Olympics. During the event you can take on event quests and adventure within. Eso calendar (cet) this calendar tracks elder scrolls online:

The event will open up on january 18th at 10:00 a.m. It already exists in the game, its a huge zone, and you would just add stuff like tattered banners of the 3 alliances, rebuild parts of cheydinhal, maybe even have a quest where you help rebuild.