The Queen, 89, will take over the title from her great-great-grandmother Queen Victoria who, according to Buckingham Palace, reigned for exactly 23,226 days, 16 hours and 23 minutes. To celebrate her 63-year-long reign, here are some interesting facts about her.
Members of the public began filing past at 5pm local time and will have until 6.30am on the day of the funeral, by which time several thousands are expected to have queued for hours to pay their respects to the Queen.
Ankit Kawatra will be honoured by Queen Elizabeth II at Buckingham Palace on June 29.
Some Twitter users were serious in their demand for the return of the Kohinoor diamond, while others had a humorous take on the issue.
US President Biden will visit UK later this month for the G7 Summit. The summit will be held at Carbis Bay in Cornwall, on June 11-13.
Queen's faithfulness to the style of her handbag has to do with heritage.
Emma Raducanu did not drop a set since arriving at Flushing Meadows and won over the rowdy crowds at the Billie Jean King National Tennis Center as she swatted aside more experienced opponents with the same ease as she hammered winners.
A look at Elizabeth -- both the lady and queen -- and the world in which she operates.
Britain's Queen Elizabeth II made her first public appearance in months to attend a special thanksgiving memorial service for her late husband Prince Philip, the Duke of Edinburgh, at Westminster Abbey in London on Tuesday.
Ankit Kawatra was one of three Indians to be honoured by Queen Elizabeth II.
Apart from meeting members of the Royal Family, US President Trump is expected to discuss climate change and Chinese technology firm Huawei during his talks with outgoing British Prime Minister Theresa May on Tuesday.
The newborn Princess of Cambridge was on Monday named Charlotte Elizabeth Diana by Prince William and his wife Kate.
London hopes to convince New Delhi's naval planners to power India's second indigenous aircraft carrier with the Queen Elizabeth's integrated all-electric propulsion system.
Britain's Queen Elizabeth II is known for her love for her dogs and on Monday it emerged just how much.
Prince Philip, 90-year-old husband of Britain's Queen Elizabeth II, has undergone a successful heart surgery for a blocked coronary artery after being rushed to hospital with chest pain.
Actor Kenneth Branagh presented the prize to the monarch in recognition of her support of British film and television.
Kartik Sawhney, 21, and Neha Swain, 28 from India are among 60 others who won the Queen's Young Leaders Award 2016.
Buckingham Palace has expressed its disappointment over a British tabloid to dig out private archival pictures showing a young Queen Elizabeth II seemingly performing a Nazi salute in 1933.
But she will attend the church blessing afterwards.
An excited Prince George watched his first Trooping the Colour parade to mark his great grandmother Queen Elizabeth II's birthday in London.
The UK's first state funeral in 57 years follows a strict protocol and will be steeped in military traditions, with rehearsals being undertaken for many days.
The Organising Committee of the Commonwealth Games is fine with Queen Elizabeth II skipping the event in October and is ready to welcome Prince Charles as a representative of the royal family, OC Chairman Suresh Kalmadi said on Sunday.
The death of Britain's longest-reigning monarch, Queen Elizabeth II, reignited the demand in India to bring back the Kohinoor.
However, the EFL, which manages the three divisions below the Premier League, said that matches will return as scheduled from Tuesday while the Premier League resumes this weekend.
'This country was built on the blood of slaves!' Patrick Thelwell yelled as he hurled eggs at Britain's King Charles III and Camilla, the queen consort, during a walkabout in York.
The outlandish singer entertained the Queen at Royal Variety Performance
A celebratory lunch at Windsor to mark the Diamond Jubilee of Queen Elizabeth's reign has been marred by a row over the guest list, with campaigners criticising the invitation to monarchs from countries like Bahrain and Swaziland with allegedly poor governance record.
Queen Elizabeth II has waded into the debate over Scotland's future as part of the United Kingdom, asking Scots to "think very carefully about the future" before voting in a historic referendum this week.
On Tuesday, Queen Elizabeth II will invite Truss to become Britain's third lady prime minister, after Margaret Thatcher and Theresa May.
The photo-sharing account, launched on Monday, contained some of rarely published images of the 84-year-old Queen, the Duke of Edinburgh, the Prince of Wales, the Duchess of Cornwall, Prince William, Prince Harry and other members of the Royal family dating back to centuries.
As many as 22 non-resident Indians, including leading industralist Rami Ranger and academician Pritpal Singh, figure in Britain's Queen Elizabeth II's birthday honours list.
Brighton & Hove Albion's match against Crystal Palace on Saturday will also remain postponed.
In a break with tradition, Queen Elizabeth II's Christmas broadcast has featured footage of Europe's largest Hindu Temple and Muslims praying in a mosque.
Starting the 100-day countdown to this year's Commonwealth Games, the Queen's Baton Relay arrived in India from Pakistan through the historic Wagah Border in Amristar, on Friday. Chairman of the CWG Organising Committee Suresh Kalmadi, received the baton from Pakistan Olympic Association president Lt Gen Syed Arif Hassan at the international border, where the Commonwealth Games Federation chief Mike Fennell was also present.
Six-times major winner Nick Faldo received his knighthood from Queen Elizabeth on Tuesday, describing the honour as beyond his boyhood dreams. Faldo, England's most successful golfer, won the British Open three times and the US Masters three times between 1987-96 and played in 11 Ryder Cups.
Over expensive wine, an exquisite menu and royal ensemble, the Queen hailed the "milestone" visit of the Chinese president to Britain and declared Anglo-Chinese ties are being taken to "ambitious" new heights.
Britain's Queen Elizabeth had special cause for celebrations on Thursday when her horse Estimate won the Royal Ascot Gold Cup.
The 82-year-old monarch has a personal fortune of 320 million pounds (475 million dollars, 355 million euros), according to The Sunday Times newspaper's 2008 Rich List, but is not a spendthrift. The sovereign has ordered a festive crackdown to acknowledge the credit crunch starting with her Christmas crackers, a media report said.
The value of her private estate fell by 19 per cent in 2008-09 due to a crash in property and investment markets.
