- Easter, 8 April.
- Visiting Infanta Elena's son in the hospital after he shot himself in the foot, 10 April.
- a and b) Attending the annual dinner of the Stela Business Club, 11 April.
Science Museum Gallery Opening - *The Queen and the Duke of Edinburgh visited the Science Museum to open the Information Age gallery.* *For more: Science Museum Storify, BBC article, Zimbio...