Country

Switzerland

Date	Circuit	Category	Winner
22.08.1937	Bremgarten	International Formula	Rudolf Caracciola
04.07.1948	Bremgarten	Formula 1	Carlo Felice Trossi
03.07.1949	Bremgarten	Formula 1	Alberto Ascari
27.09.1970	Kerenzerberg	Hill climb	Silvio Moser

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