CHECK OUT MY LATEST SITE EVENT! The Never King- a king erased from history because of his dabblings in dark magic (among other things...) suddenly because a present day problem when an unlikely group of adventurers 'awakens' him from the grave. You can read more about the event on the plotting page here and information page here!
I ran the Connlaothian civil war. For more info, check out it's page here. The war has now turned into a 'Cold War' with it's plotting page found here. It's no longer a huge site wide event but the scars are there.