Britain's Queen Elizabeth will attend the Commonwealth Service at Westminster Abbey later this month.
The 89-year-old royal will be joined by her husband, the Duke of Edinburgh, at the afternoon service at Westminster Abbey in London, England on March 14.
A post on the Abbey's official website reads: "The Service this year takes the theme of 'An Inclusive Commonwealth,' emphasising the Commonwealth's strength in working together to achieve progress.
"The Commonwealth Service is Britain's largest annual inter-faith gathering, held on the second Monday in March and organised with the Royal Commonwealth Society. Among the 2,000-strong congregation will be more than 1,000 children from schools and youth groups."
During last year's service, the Queen's speech highlighted the importance of "common goals".
She said: "One simple lesson from history is that when people come together to talk, to exchange ideas and to develop common goals, wonderful things can happen. So many of the world's greatest technological and industrial achievements have begun as partnerships between families, countries, and even continents.
"But, as we are often reminded, the opposite can also be true. When common goals fall apart, so does the exchange of ideas. And if people no longer trust or understand each other, the talking will soon stop too."
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