Here are some pictures from that memorable, sunny day ...
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IN PICTURES: Remembering Prince Philip - the day The Duke of Edinburgh and The Queen visited Wigan's Heinz factory
The Queen and Prince Philip visited Wigan's Heinz factory in 2009 to mark the food giant's 50th anniversary.
By Jon Peake
Published 9th Apr 2021, 13:45 BST
Updated 9th Apr 2021, 15:13 BST