The Duke of Edinburgh had some painful-looking bruising to his eye at an event at Buckingham Palace

this evening to commemorate the Magna Carta. He also had two butterfly stitches on a cut that he had sustained a couple of weeks earlier while on his Christmas break in Sandringham It isn't the first time that the Duke has sported a black eye in recent years - in April 2013, he carried a similar mark under the same eye during an official engagement in Canada. At the time, it was reported that he hadn't fallen and had simply woken up with the mark on his face. TRENDING Woman opens up in Channel 4's A Paedophile in My Family: Surviving Dad 4.5k viewing now People share hilarious and tragic pictures of crazy days on the job 5.5k viewing now Tracey Cox reveals 9 steps to stop your partner cheating 3.3k viewing now The Duke was at the event this evening to accompany The Queen in her capacity as Patron of the Magna Carta Trust. Several Members of Parliament, constitutional historians, representatives of non-governmental organisations, and senior figures from the legal profession attended the reception at the palace to celebrate 800 years since the Magna Carta was sealed in 1215. Queen Elizabeth II, accompanied by the Duke of Edinburgh, is greeted by Lord Chancellor and Secretary of State for Justice, Chris Grayling (fourth right) +7 View gallery Queen Elizabeth II, accompanied by the Duke of Edinburgh, is greeted by Lord Chancellor and Secretary of State for Justice, Chris Grayling (fourth right) The Queen was dressed in a bright red dress with a matching jacket +7 View gallery The Queen was dressed in a bright red dress with a matching jacket The Queen wore a bright red dress with a matching jacket and accessorised with a diamond brooch, a pair of pearl earrings and a pearl necklace. During the event, guests were given the opportunity to view a facsimile of Magna Carta, provided by the British Library. King John agreed the Magna Carta at Runnymede, near Windsor, in June 1215 – a moment hailed as one of the most significant in English history. Dr Claire Breay of the British Library talks The Queen and the Duke of Edinburgh through the details of the Magna Carta +7 View gallery Dr Claire Breay of the British Library talks The Queen and the Duke of Edinburgh through the details of the Magna Carta