Because the polity that survived to form medieval England, and from there the British Empire and modern United Kingdom, considered itself Saxon.
Wessex, Alfred the Great. ‘The Last Kingdom’ - the only Christian kingdom in England that was not conquered by the invading Danes. Future rulers would emphasize their historical ties here as a means to gain legitimacy.
Because the polity that survived to form medieval England, and from there the British Empire and modern United Kingdom, considered itself Saxon.
Wessex, Alfred the Great. ‘The Last Kingdom’ - the only Christian kingdom in England that was not conquered by the invading Danes. Future rulers would emphasize their historical ties here as a means to gain legitimacy.