On this day, in 1979, Margaret....

On this day, in 1979, Margaret Thatcher becomes the first lady Prime Minister of the UK. She received many honours afterwards, which are all shown in this achievement.

Can you list them?

Arms are: per chevron azure and gules, a double key in chief between two lions combatant a tower with portcullis in base all or
Spporters: dexter: An admiral of the British Navy; sinister: Sir Isaac Newton holding in his left hand weighing scales, both proper.
Motto was: "CHERISH FREEDOM

https://commons.wikimedia.org/wiki/File:Coat_of_Arms_of_Margaret_Thatcher,_The_Baroness_Thatcher_%281995%E2%80%932013%29.svg

File:Coat of Arms of Margaret Thatcher, The Baroness Thatcher (1995–2013).svg - Wikimedia Commons