The opening ceremony of the 2012 Summer Olympics took place on the evening of Friday 27 July 2012 in the Olympic Stadium, London, during which the Games were formally opened by Queen Elizabeth II. As mandated by the Olympic Charter, the proceedings combined the ceremonial opening of this international sporting event with an artistic spectacle to showcase the host nation's culture. The spectacle was entitled Isles of Wonder and directed by Academy Award-winning British film director Danny Boyle.

The National Health Service (NHS) is the umbrella term for the publicly funded healthcare systems of the United Kingdom, comprising the NHS in England, NHS Scotland and NHS Wales. Health and Social Care in Northern Ireland was created separately and is often locally referred to as "the NHS". The original three systems were established in 1948 as part of major social reforms following the Second World War. The founding principles were that services should be comprehensive, universal and free at the point of delivery—a health service based on clinical need, not ability to pay. Each service provides a comprehensive range of health services, provided without charge for people ordinarily resident in the United Kingdom apart from dental treatment and optical care. In England, NHS patients have to pay prescription charges; some, such as those aged over 60, or those on certain state benefits, are exempt.