State visit of the President of Ireland to the United Kingdom with full cavalry escort to Windsor Castle, where the President, accompanied by the Duke of Edinburgh, inspected a Guard of Honour provided by the 1st Battalion Irish Guards. President Higgins presented a ceremonial red coat to its regimental mascot, an Irish Wolfhound called Domhnall of Shantamon. The President viewed Irish-related items from the Royal Collection at Windsor Castle. Afterwards they departed for London and visited Westminster Abbey for a tour, where the President laid a wreath at the Grave of the Unknown Warrior and paid his respects with a bow to the tomb of Louis, the Earl of Mountbatten. After
The Unknown Warrior in the Quarry Cemetery, Vermelles). Royal brides married at the Abbey now have their bouquets laid on the tomb the day after the wedding and all of the official wedding photographs have been taken. It is also the only tomb not to have been covered by a special red carpet for the wedding of Prince Albert, Duke of York, and Elizabeth Bowes-Lyon. Before she died in 2002, Queen Elizabeth The Queen Mother (the same Elizabeth who first laid her wedding bouquet at the tomb) expressed the wish for her wreath to be placed on the Tomb of the Unknown Warrior.