963 DR


 * Construction commences on Castle Waterdeep. It will finish in 974 DR.


 * A month after work starts on Castle Waterdeep, the traitors Aviss and Fellandar lead an army of trolls out of the Mere of Dead Men against Waterdeep and the castle in a planed third Trollwar. Ahghairon and a band of wizards hurl Aviss and Fellandar into an extra-dimensional prison, thwarting the attack.