The Duke of Edinburgh, Senior Fellow, attends the Royal Academy of Engineering New Fellows' Dinner at Drapers' Hall, London EC2. The Earl of Wessex, Trustee, the Duke of Edinburgh's Award, hosts a dinner for the Award's Charter Founder Members at Windsor Castle. The Princess Royal visits Botswana, Malawi and Madagascar.
Changing of the Guard
The Household Cavalry Mounted Regiment mounts the Queen's Life Guard at Horse Guards, 11am; 1st Battalion Welsh Guards mounts the Queen's Guard, at Buckingham Palace, 11.30am, band provided by the Coldstream Guards.