When Svein died in 1014 he was succeeded by his son Harald as king of Denmark, but his army in England accepted Cnut as king. Aethelred was invited by the English to return and Cnut was driven out of his base at Gainsborough after an English attack found him unprepared.
When Svein died in 1014, Harald became king of Denmark, but his army in England supported Cnut as their new ruler. Aethelred was invited back to England by the English and Cnut was forced out of Gainsborough after an attack found him unprepared.