Formula One French Grand Prix, pre-date the formation of the World Championship and were incorporated into the championship as Formula One races in 1950. The British and Italian Grands Prix are the only events to have been held every Formula One season; other long-running races include the Belgian, German and French Grands Prix. The Monaco Grand Prix, first held in 1929 and run continuously since 1955, is widely considered to be one of the most important and prestigious automobile races in the world. Traditionally each nation has hosted a single Grand Prix, which carries the name of the country. If a single
Formula One and others such as the American and French races have switched venues throughout their history. All Grands Prix have traditionally been run during the day, until the inaugural hosted the first Formula One night race, which was followed in 2009 by the day–night Abu Dhabi Grand Prix and then the Bahrain Grand Prix which converted to a night race in 2014. Along with holding races at night, other Grands Prix in Asia have had their start times adjusted to benefit the European television audience. A typical circuit usually features a stretch of straight road on which the starting grid is