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
Longford Circuit the original track as the two bridges have long been demolished and a highway now intersects the network of roads on which the circuit was laid out. Motor sport returned to Longford in 2011 with the first running of the Longford Revival Festival which takes place on Pateena Road (The Flying Mile). There drivers get to run their cars, both road cars and historic race cars, down The Flying Mile. Longford Circuit The Longford Circuit was a temporary motor racing course laid out on public roads at Longford, south-west of Launceston in Tasmania, Australia. It was located on the northern