Britain's Prince Philip has completed his final public engagement, bringing to a close a career as consort to Queen Elizabeth II that has seen him attend around 22,000 events in his official capacity. The parade marked the finale of the 1664 Global Challenge and Philip carried out his duties in his role as Captain General of the Royal Marines, a position he has held for 64 years.
Philip, however, may pop up at public events from time to time, such as Trooping the Colour in future years or even support the Queen during the proposed state visit for USA president Donald Trump.
In retirement, the Duke will likely enjoy more leisure time at Windsor Castle in Berkshire - he is an avid carriage driver and enjoys oil painting.
Philip has been the backbone of his wife, Queen Elizabeth II, since the time she was crowned. He made the decision to reduce his duties five years ago, but wanted to keep many responsibilities.
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Lieutenant Colonel Gary Green, who devised the charity event said: "It's an honour for the Armed Forces having the Duke of Edinburgh's last public engagement with the Corps and the Royal Navy".
The Daily Telegraph accidentally reported that the Duke of Edinburgh died this morning when his obituary was published online.
During the festivities, the Prince Philip took the royal salute and met veterans and members of the Royal Marine's Association-of which he has been honorary president since 1948.
In November 2017, Prince Philip and the Queen will mark their 70th wedding anniversary.
It was announced in May that Philip would no longer undertake his own programme of engagements, though he may still accompany the Queen at certain events from time to time. He has eight grandchildren, including Charlotte's father, Prince William. "The Duke's has brightened these decades".