The state funeral on Monday will include many personal additions made by Queen Elizabeth II, Buckingham Palace said. Palace aides told BBC that the Queen had been consulted on all the arrangements.
The monarch will be laid to rest with her late husband Prince Philip at the King George VI memorial chapel during a private service and burial on Monday evening.
This will follow her state funeral at Westminster Abbey, which begins at 11am.
This is what we know about what will happen on the day of the funeral itself:-
1. Monday will begin with a funeral procession during which the Queen's coffin will be taken from the Westminster Hall, where she is lying-in-state to the nearby Westminster Abbey.
2. Prince of Wales, William and his brother Duke of Sussex Harry will walk side-by-side once again behind the Queen's coffin during the procession.
3. The monarch's coffin will be carried on the gun carriage that was used for the funerals of Edward VII, George V, George VI and Sir Winston Churchill.
4. The Last Post will be played towards the end of the service which will be followed by a national two-minute silence.
5. A lament played by the Queen's piper will mark the end of the service at Abbey.
6. Queen Elizabeth II will be buried in the King George VI Memorial Chapel, where she will rest with her husband Prince Philip, who died last year.
7. The Archbishop of Canterbury will read a blessing and the Queen's piper will play a lament as the Queen's coffin is lowered into the royal vault. The Crown jeweler will collect the crown from the Queen's coffin then.
8. The skies over London will be quiet during the two-minute silence, as Heathrow airport will stop all departures and arrivals for 30 minutes. Silence will also be observed during ceremonies in Windsor.