The White Witch Timeline and Summary

The White Witch meets Edmund in the woods and learns that human beings have found their way into Narnia.
The Witch bespells Edmund with enchanted Turkish Delight.
She orders the arrest of Mr. Tumnus.
The Witch learns from Edmund that his brother and sisters are in the Beavers' house.
She takes Edmund hostage and attempts to capture his siblings, but is prevented by the arrival of spring and the uselessness of her sledge.
The Witch tries to kill Edmund, but is ambushed by Aslan's followers. She disguises herself as a tree stump to escape capture.
She goes to see Aslan under a flag of truce and claims Edmund for herself as a traitor.
The Witch and Aslan have a private conversation and she renounces her claim on Edmund.
The Witch sacrifices Aslan at the Stone Table.
She and her army attack Aslan's followers.
The Witch's wand is destroyed by Edmund during the battle.
The Witch is killed by Aslan.