This man joined his brother Ethelred I in aiding King Burgred of Mercia against invaders from East Anglia. Later, he would be assailed by those same enemies at Wilton and Chippenham before being driven to lurk in the Somerset marshes. He was the sponsor of his erstwhile enemy Guthrum at that man's baptism after the Battle of Edington, and later in his reign, he repulsed a 
This man joined his brother Ethelred I in aiding King Burgred of Mercia against invaders from East Anglia. Later, he would be assailed by those same enemies at Wilton and Chippenham before being driven to lurk in the Somerset marshes. He was the sponsor of his erstwhile enemy Guthrum at that man's baptism after the Battle of Edington, and later in his reign, he repulsed a Danish invasion of Kent. He translated the Soliloquies of St. Augustine into English and drove the Danes out of Wessex, obtaining London as well. For 10 points, name this first king of England, called "the Great."
This man joined his brother Ethelred I in aiding King Burgred of Mercia against invaders from East Anglia.
{Alfred} the Great [or {Alfred} I]