A busy host and diplomat: As a 21-year-old princess, Elizabeth pledged her life to the service of the Commonwealth. As queen, she has carried out some 21,000 engagements, given royal assent to 4,000 pieces of legislation, and hosted 112 state visits of foreign heads of state. More than 180 garden parties have been hosted at Buckingham Palace, attended by more than 1.5 million people.
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