Year of Blue Fire

In 1385, a terrible calamity strikes Abeir-Toril. Though the whole matter won't be widely understood for some time, what is clear is this:

Magic

On the night of 29 Tarsakh 1385, the Weave was unraveled. Wild magic surged throughout the world, devastating any active spells and unprepared spellcasters. By year's end, the Weave has as yet not been restored, and many fear Mystra, the very goddess of magic, is dead.

Geography

The face of Toril has been altered. Heavily-peopled areas are largely unaffected, shielded by their gods, but wild lands have been altered significantly. For example:

Gods

A number of gods have become unresponsive, and others seem to be transforming:

Politics

A change such as the Spellplague does not come without upsetting the balance of power. A great many realms were destabilized in the chaos of 1385, and it is unlikely that equilibrium will be restored any time soon; more changes are like to follow.