The Queen died peacefully at Balmoral on Thursday September 8.
In a statement, Buckingham Palace confirmed that the longest-serving monarch "died peacefully at Balmoral this afternoon."
The day of the Queen's death is referred to as D-Day, with the coming days to be referred to as D-Day plus the number of days that have passed since her death.

Following the sad news of the Queen's death, here is how the day unfolded.
– 12.32pm
Buckingham Palace issued a statement saying doctors are concerned for the Queen’s health.
They say the head of state is comfortable and royal physicians have recommended she stays under medical supervision as the future king, the Prince of Wales, and second in line to the throne, the Duke of Cambridge, clear their diaries to dash to the Queen’s Aberdeenshire home.
– 12.45pm
Clarence House said Charles and the Duchess of Cornwall have travelled to Balmoral.
A minute later Kensington Palace confirmed William would also be travelling north.
– 2.39pm
Royal Air Force flight KRF23R takes off from RAF Northolt in South Ruislip, west London, according to flight tracking website Flightradar24.com.
The plane is carrying William, the Duke of York, and the Earl and Countess of Wessex.
– 3.50pm
The plane, a Dassault Falcon, lands at Aberdeen airport.
– Just after 5pm
A fleet of cars, including a Range Rover driven by William, with Andrew in the passenger seat and Edward and Sophie in the back, arrives at Balmoral.
– 6.31pm
Buckingham Palace said in a statement: “The Queen died peacefully at Balmoral this afternoon. The King and The Queen Consort will remain at Balmoral this evening and will return to London tomorrow.”