Aethelbert was a king of the Anglo-Saxon kingdom of Kent during the 6th century. He is notable for being one of the first English kings to convert to Christianity, influenced by the missionary efforts of Augustine of Canterbury. His reign marked a significant shift in the religious landscape of England. Aethelbert's conversion led to the establishment of churches and the spread of Christianity throughout his kingdom. He is also known for issuing one of the earliest known legal codes in England, which helped to lay the groundwork for future laws. His legacy is remembered as a pivotal moment in the history of England.