Her son Prince Andrew faught in the Falklands War and her grandson, Prince Harry, has served in Afghanistan.
So remembering those who have made the ultimate sacrifice for their country is a matter close to the Queen's heart.
Though the day was cold and grey, the monarch made a warm and touching tribute to fallen soldiers and war veterans in Canberra, Australia.
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After greeting thousands of well-wishers who braved the low temperatures and damp to welcome the royal couple, the 85-year-old royal and The Duke of Edinburgh attended an emotional ceremony to remember Australia's war dead.
Once inside the Hall of Memories, the Queen placed poppies on the tomb
Amid the adulation given to younger members of the royal family, such as Prince William and his glamorous new wife, it is sometimes easy to underestimate the star power projected by the head of the clan herself.
The Queen's tour in Australia is proving a triumph, with excited crowds giving her the sort of reception reserved for a favourite grandma.
By the time she leaves, hundreds of thousands of people will have seen her and Prince Philip on her 16th official trip to the continent.
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And the monarch, in turn, is delighted with the welcome. She
St James's Palace has announced that the Duke and Duchess of Cambridge's next public engagement will be a trip to Denmark.
The newlywed couple will visit UNICEF’s emergency supply centre in Copenhagen on November 2 which distributes emergency food and medical supplies to East Africa.
It will be only the second official visit abroad by the couple, following their tour of Canada and the US in July, and will be the Duchess’s first trip to a foreign country specifically to carry out charity work.
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William and Kate will be accompanied by Crown Prince Frederik and Princess