On May 30, 2012, Her Majesty Queen Elizabeth II was at the Caledonian Club in London to participate in a dinner “… with the Argyll and Sutherland Highlanders, 5th Battalion, The Royal Regiment of Scotland…” in celebration of Her Majesty’s Diamond Jubilee.
Meanwhile, Their Royal Highness the Prince of Wales and the Duchess of Cornwall were at the St Martin in the Fields Church, in London, to participate in a service:
… to honor past and present recipients of the Victoria Cross, the military’s highest accolade, and the George Cross, which is awarded for acts of bravery by civilians.
Afterward, the royal couple attended a reception held at the Naval & Military Club with “… holders of the Victoria Cross and George Cross…” according to the Press Association.
Sources: Royal.gov.uk, Daylife, and the Press Association