Claudius 41-54. The great pretender, survived the reign of nephew Caligula by acting dumb.
He was a learned man a historian who compiled 20 volumes of Etruscan history and wrote books in Latin and Greek
His love of bureaucracy helped choke the Roman Empire to death
Claudius invaded Britain in 43 AD naming his precocious son Britannicus in celebration of the victory.
Britain remained Roman until 410 AD, bringing Roman Christianity to England after Constantine decriminalised the Christian faith in 313 AD