August 13th
Walter Villa was born this day in Castelnuovo Rangone, Italy.
He won 24 GP races, and was four times World Champion, including twice in 1976 - he won both the 250 and 350cc classes.
Walter Villa
After years of complaints over safety concerns Cigel circuit in Czechoslovakia is closed.
Car racing had ended in 1969 after a driver crashed injuring 32 spectators.
Cigel Circuit CZ
The 1977 British motorcycle Grand Prix is held at Silverstone Circuit.
Previously the event was held on the Isle of Man which had had been boycotted by several top riders due to safety concerns.
Silverstone GP