The first championship race was held in 1950 at Silverstone. This was not the first race held to be held under (International) Formula 1 rules technically but it was the first world championship race.
The second formula one race ever was held in Monaco on May 21st 1950.
The First World Championship Formula 1 Race Was Held At The British Grand Prix In Silverstone
It was first held on 1972.
Singapore GP was first held in 1966.
1950 British Grand Prix at Silverstone. It was the first Formula One race held anywhere, never mid just in Britain.
The first Formula 1 race at Fuji International Speedway was held on October 24, 1976. The race was won by Mario Andretti.
The first world championship F-1 race was held in 1950 at Silverstone, UK.
I think, the year 1950 was officially the first F1 season. The first race was held in Silverstone
Marina Bay Street Circuit First ever night race in 2008 Australia will be the first ever evening race in 2009