Queen Elizabeth II to address U.N. General Assembly in July . Queen Elizabeth is head of state for the United Kingdom , Antigua and Barbuda , Australia , the Bahamas , Barbados , Belize , Canada , Grenada , Jamaica , New Zealand , Papua New Guinea , Saint Kitts and Nevis , Saint Lucia , Saint Vincent and the Grenadines , the Solomon Islands and Tuvalu . Queen last addressed U.N. in 1957 . The queen is the world's longest-reigning monarch and has been on her throne for nearly 60 years.
Queen Elizabeth II to address U.N. General Assembly in July . Queen last addressed U.N. in 1957 . The queen is the world's longest-reigning monarch and has been on her throne for nearly 60 years.