After his victory at the Battle of Roche-au-Moine in 1214, he invaded southern England and was proclaimed "King of England" by rebellious barons in London on the 2 June 1216.
在1214年的穆瓦讷的罗歇城堡战役中取胜后，他入侵南英格兰，于1216年6月2日被伦敦的反叛诸侯拥戴为“英格兰国王”。