The sudden passing of Diana, Princess of Wales, sparked a wave of grief and mourning that was completely unprecedented. An estimated 60 million bouquets were left in memory of Diana at locations such as Buckingham Palace, Kensington Palace and her ancestral home, Althorp House in Northamptonshire.
At the time of the tragic news on 31 August 2007, the Royal Family were on holiday at the Balmoral Estate in Scotland, where they remained for several days to support Prince William and Prince Harry.This decision would have severe repercussions as public anger grew over their perceived lack of public recognition and response to her death.
It was soon decided that several gestures were needed to regain public favour - one of which has influenced royal protocol for the 25 years since Diana's death.
From the first monarch's residence at Buckingham Palace until Diana's funeral on September 6, 1997, it was tradition for the Royal Standard to be flown over the palace when the monarch was in residence.
Read more on ok.co.uk