Head of state: Queen of the United Kingdom, who is also queen of Australia.

Caroline's husband became King and, at least nominally, she was Queen of the United Kingdom.Robins, p.82.

Copies were said to have been given to the President of Ireland and the Queen of the United Kingdom.

The Queen of the United Kingdom traditionally wears white when she opens the session of Parliament.

Six weeks into their academic term, Victoria succeeded as Queen of the United Kingdom.

Though a single individual is Queen of both the United Kingdom and Canada, the Crowns of the nations are separate.

Together, they develop a plan to get the Queen of the United Kingdom to help them.

This act was further amended in 1973, removing specific reference to the monarch's role as Queen of the United Kingdom.

Named for Alexandra, then Queen of the United Kingdom.

The Queen of the United Kingdom and the Commonwealth Realms (1988)