Prince Philip, the Duke of Edinburgh, has died aged 99.
Buckingham Palace confirmed the news today with "deep sorrow".
A statement from Buckingham Palace said: “It is with deep sorrow that Her Majesty The Queen has announced the death of her beloved husband, His Royal Highness The Prince Philip, Duke of Edinburgh.
"His Royal Highness passed away peacefully this morning at Windsor Castle.”
In 2013, the Duke reportedly told officials that he didn't want the usual traditions involved in a state funeral, with reports saying he didn't "want the 'fuss' of lying-in-state".
The events which would follow his death have been known as Operation Forth Bridge, reports Wales Online.
Although we do not know exact plans, the following is an account of what would be a likely course of events after his death.
What will happen?
Prince Philip's death has now been publicly confirmed and arrangements will be put into place.
Instead of being placed in Westminster Hall his body is expected to lie in St James's Palace where Princess Diana of Wales was laid for several days after her death in 1997.
No public viewings are expected. The Queen will enter a mourning period which is expected to last eight days. During this time public appearances are cancelled.
No laws would be made during this period.
There would be a further 30 days of mourning after which the Queen is expected to return to public duties. As with the Queen's death, TV and radio reports are expected to go to standard programming.
Flags at half mast and books of condolence
Protocol is in place for all levels of public life - from town and village councils up to Parliament.
The protocols include what to do with flags, books of condolence and making of public proclamations.
Areas where flowers can be laid are listed out in the protocols.
There will be holding pages rolled out on websites, a photograph of the Duke, and links to how people can find condolence books, church services, flowers and flying of flags.
What will his funeral be like?
There are three royal funeral categories, one of which is a state funeral which is reserved for the sovereign or high ranking people including Lord Nelson and Winston Churchill.
There is also the 'ceremonial funeral' for those members of the Royal family with a high military rank, for the sovereign's consort and heir to the throne.
And a third, private royal family - for all other members of the Royal Family, their spouses and children.
The Times has previously reported that the Palace of Westminster is always on six-hour notice to prepare Westminster Hall for a lying-in-state, but authorities have reportedly been told this will not be necessary for Prince Philip.
It is understood the Duke requested a more muted funeral service, which could take place at St George's Chapel in Windsor Castle - where Prince Harry married Meghan Markle.
As well as family and friends, Commonwealth heads of state would be expected to attend.
Instead of a burial at Westminster Abbey, he is said to have opted for the grounds of Windsor Castle.
When was the last full state funeral?
The last Royal to be given a full state funeral was the Queen Mother in 2002 where around 200,000 mourners filed past her body as she lay in state.
At her funeral, over a million people lined the procession route as her coffin, carried on the same gun carriage used for her husband George VI's funeral 50 years before.
She died aged 101.
On that occasion Prince Philip lead the Royal mourners, which included the Duke of York, the Earl of Wessex, Viscount Linley, and Peter Phillips, the Princess Royal's 24-year-old son.
The route lead from Westminster Hall to Westminster Abbey, and when it arrived at 11.30am there was a two minute silence as a mark of respect.
After a funeral service lead by the then-Archbishop of Canterbury, Dr George Carey, the body was taken on a 23-mile journey to Windsor.
When Princess Diana died in 1997, the funeral cortege led her home at Kensington Palace along to the Mall. There was a television audience of 32 million and two billion people are estimated to have followed it across the world.
Her body did not lay in state.
