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
Yas Marina Circuit that every corner was 'unique', while double World Champion Fernando Alonso echoed his sentiments, stating that it was enjoyable because there was always something to do. Force India's Adrian Sutil rated the circuit as being better than Formula One's other night race in Singapore as he felt there was too much light at Marina Bay. Not all of the drivers were complimentary, with Giancarlo Fisichella expressing a particular dislike of the pit exit, which dips under the main circuit by way of a tunnel. Although the pit exit remained free of incidents for the early practice sessions, Fisichella claimed that