With Jackie Stewart set to retire from Formula One at the end of the 1973 season, preparations had been made to promote his understudy, François Cevert, to the lead seat in Ken Tyrrell's world championship winning team.
When Niki Lauda walked out on his Brabham team following practice for the 1979 Canadian Grand Prix, the British team found themselves in a dire situation. Step forward Ricardo Zuniño.
An unseasonal cold spell broken, a sodden and wintry base is revealed, as the snow in Ireland and the UK peels away feebly. Motorsport tends not to happen in these conditions.