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
Bira Circuit On the straights of Bira's go-kart track speeds of up to 100 km/h can be achieved depending on the weather conditions. In order to meet Commission Internationale de Karting's standard, the go-kart track was overhauled in 2006. Bira Circuit Bira Circuit is a motor racing track in Thailand, named after Thai formula 1 racing driver, Prince Birabongse Bhanutej Bhanubandh. The circuit has been operated by Bira Circuit One Company, Limited. The track, initially opened in 1985, covers an area of . It is a permanent motor and motorbike racing circuit with an offroad track, a rally stage and a go-kart