According to The Telegraph:
The Queen has appointed the Duke of Edinburgh Knight Grand Cross of the Royal Victorian Order (GCVO), honouring him for “services to the sovereign” on their 70th wedding anniversary.
The appointment makes him the first UK citizen awarded four order of chivalry breast stars since Lord Mountbatten of Burma…
It is thought that the Duke is now the only living person to have the four…
The Queen presented Philip with the honour at Windsor Castle, where they are marking their anniversary privately.
On the day of their 70th anniversary, they preferred to celebrate privately.
To read the entire article in The Telegraph, please click here.