The Queen, accompanied by the Duke of Edinburgh, attends the Commonwealth Day Observance at Westminster Abbey, London SW1; and accompanied by the Prince of Wales, attends the Commonwealth Day Reception at Marlborough House, London SW1. The Duke of Edinburgh, President, World Wide Fund for Nature - WWF International, Founder and Chairman, International Trustees of the Duke of Edinburgh's Award, and Patron, Outward Bound Trust, visits the United States, Bermuda and the Bahamas. The Prince of Wales opens the Salford Foyer, Salford, Greater Manchester; as President, the Prince's Trust, attends the Prince's Trust conference "Towards the Millennium" at the Jarvis Piccadilly Hotel, Manchester; and visits the Manchester Velodrome, The National Cycling Centre, Clayton, Manchester. The Princess Royal, President, the Princess Royal Trust for Carers, visits Rhymney Valley Carers Centre, Caerphilly, Mid Glamorgan; and as President of the Patrons, Crime Concern, launches the Cardiff Safer Cities Project at Cardiff Castle and visits Willows High School, Tremorfa, Cardiff. The Duke of Kent, Colonel-in-Chief, Royal Regiment of Fusiliers, visits 1st Battalion, Somme Barracks, Catterick, North Yorkshire.