Simplify the following text for a Grade 8 native English-speaking person.
Original: These areas changed little until the 1965 creation of Greater London and Huntingdon and Peterborough , which resulted in the abolition of the offices of Lord Lieutenant of Middlesex , Lord Lieutenant of the County of London and Lord Lieutenant of Huntingdonshire and the creation of the Lord Lieutenant of Greater London and Lord Lieutenant of Huntingdon and Peterborough .
Simplified: A Lord Lieutenant is the Queen 's representative in a county or other area .