Formula One World Drivers' Championship was not formalised until 1947. The first world championship race was held at Silverstone, United Kingdom in 1950. A championship for constructors followed in 1958. National championships existed in South Africa and the UK in the 1960s and 1970s. Non-championship Formula One events were held for many years, but due to the increasing cost of competition, the last of these occurred in 1983. On 26 November 2017, Formula One unveiled its new logo, following the 2017 season finale in Abu Dhabi during the Abu Dhabi Grand Prix at Yas Marina Circuit. The new logo replaced F1's iconic
Pembrey Circuit corner and returning to the Start/Finish straight.There were plans to include a quarter mile drag strip, but this never came to fruition. The circuit has hosted the British Touring Car Championship twice, in 1992 and 1993 at which time the championship was the most popular motorsport series in the UK outside Formula One. Formula 3 races have also been run at Pembrey Circuit, and indeed many recent Formula 1 drivers including Jenson Button raced at Pembrey in their early F3 days. Pembrey twice hosted the European Rallycross Championship in 1997 and 1998. Top-level Superbike racing has also been hosted at