
In October 2012, Dame Janet Smith was appointed by the BBC to lead an inquiry into the corporation's connection to the sexual abuse committed by Jimmy Savile, a popular television and radio host. The final report, titled The Dame Janet Smith Review Report, was published on 25 February 2016.

Jacintha Saldanha was an Indian nurse who worked at King Edward VII's Hospital in the City of Westminster, London. On 7 December 2012, she was found dead by suicide, three days after falling for a prank phone call as part of a radio stunt. In the prank call, the hosts of the Australian radio programme Hot30 Countdown, broadcast on the Southern-Cross-Austereo-owned station 2Day FM in Sydney, called Saldanha's hospital and impersonated the Queen and the Prince of Wales enquiring about the health of the Duchess of Cambridge, who was a patient there at the time. Saldanha fell for the hoax and transferred the call to the nurse looking after the Duchess.

The year 2012 marked the Diamond Jubilee of Elizabeth II being the 60th anniversary of the accession of Queen Elizabeth II on 6 February 1952. The only Diamond Jubilee celebration for any of Elizabeth's predecessors was in 1897, for the 60th anniversary of the 1837 accession of Queen Victoria.

The English Channel scallop fishing dispute, also called the Great Scallop War or guerre de la coquille, occurred on 10 October 2012 or 8 October 2012, between British and French fishermen in the Channel 24 kilometres (15 mi) off the coast of Le Havre, France. The dispute arose because of a difference in fishing restrictions between the two countries. British scallop fishers are allowed to fish for scallops year round, whilst French scallop fishers are not permitted to fish between 15 May and 1 October each year. A second confrontation took place in the same area on 28 August 2018..

The 2012 United Kingdom budget was delivered by George Osborne, the Chancellor of the Exchequer, to the House of Commons on Wednesday 21 March 2012.

Labour for a Republic is the Labour Party's campaign for an elected head of state in the United Kingdom, acting as a pressure group made up of party members and supporters. It advocates abolition of the monarchy in favour of a democratic republic.

Operation Yewtree is a British police investigation into sexual abuse allegations, predominantly the abuse of children, against the English media personality Jimmy Savile and others. The investigation, led by the Metropolitan Police Service, started in October 2012. After a period of assessment it became a full criminal investigation, involving inquiries into living people, notably other celebrities, as well as Savile.

"Pasty tax" was a popular phrase used by the British press to describe a proposal in the 2012 United Kingdom budget to simplify the tax treatment of "hot takeaway food" so that Value Added Tax (VAT) would be charged at 20% in all cases. The change would have increased the sale price of hot snacks such as sausage rolls and Cornish pasties sold on the premises where they were baked. The Chancellor of the Exchequer, George Osborne delivered the proposal of the so-called "March Budget".

"Plebgate" was a British political scandal which started in September 2012. The trigger was an altercation between Conservative MP Andrew Mitchell, who resigned from his position as the Government Chief Whip because of the incident, and the police. Plebgate gained notoriety initially for the conduct claimed of Mitchell and again two months later when, subsequent to Mitchell's resignation, CCTV and other evidence was revealed which appeared to call into question some of the evidence against him.

Jimmy Savile (1926–2011) was an English media personality who, during his lifetime, was well known in the United Kingdom for his eccentricities and was generally respected for his charitable work. He was knighted in 1990. In late 2012, almost a year after his death, reports surfaced that Savile had sexually abused hundreds of individuals throughout his life, with alleged male and female victims, ranging from prepubescent to adult.

Sea Odyssey: Giant Spectacular was a three-day outdoor performance art event featuring giant marionettes, that took place in Liverpool, England, from 20 to 22 April 2012.