From 1979, the trophy continued as a Formula 2-only event.
Despite this, Regazzoni continued to drive in Formula Three events during 1968 and, not for the last time, was lucky to survive a major accident.
This race made Japan one of only six countries to ever host more than one Formula One event in the same year.
The race was run in connection with a Formula 5000 event.
Nowadays, he attends historical Formula 3 events in Italy.
It started in 1975 as a Formula 5000 race on the streets of downtown, and became a Formula One event the following year.
This was the first Formula One event to be held at the Roskildering, which was eventually closed in 1969.
If every Formula One event is taken into consideration there have been 15 different race winners, with five having won more than one race.
The race, this country's only Formula One event, is moving to a 2.3-mile circuit through the streets of downtown Phoenix.
That is evident when you watch a Formula One event.