The duke and the Queen were married for more than 70 years and Philip dedicated decades of his life to royal duty, serving the nation at the monarch's side.
Here we take a look at when Prince Philip has visited Halifax over the years.
Prince Philip has made a few visits to Halifax, from 1949 when Princess Elizabeth and Prince Philip made their first visit to the town, before she was Queen, to 2004 when the Queen and the Duke of Edinburgh visited Halifax High School, Halifax Town Hall, and exhibitions at the Piece Hall.
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