Pieni tarkennus FIM:n sivulta poimittuna: 250cc muuttui MM-sarjaksi 1962, oltuaan EM-sarja 1959-1961 ja sitä ennen European Cup 1957-1958.
Lähde:
http://www.fim-live.com/en/sport/vintage/vintage-news-detail/article/1275383389-history-of-individual-motocross-world-championships/From European to World Championship1957 winner of the first Motocross World Championship was Swedish Bill Nilsson riding an AJS. It was announcing a period during which three nations would dominate Motocross: Great Britain, Belgium and Sweden. The first
European Cup for 250cc motorcycles was created to match the popularity of this upcoming discipline. This Cup lasted only two years, the first one won by German rider Fritz Betzelbacher (Maïco) and the second by Czech Jaromir Cizek (Jawa) before becoming a European Championship in 1959.
The Belgian rider René Baeten (FN) finally won the 500cc World Championship in 1958 after finishing second twice. The Swedish riders - riding Swedish made motorcycles - clinched both individual titles in 1959: Sten Lundin on a Monark in the 500cc, and Rolf Tibblin on a Husqvarna in the 250cc. In 1960, Bill Nilsson (Husqvarna) was back at the top in the 500cc while in the 250cc Dave Bickers took the two stroke Greeves to victory. – which he did again in 1961, while Sten Lundin, this time on a Lito (also a Swedish motorcycle) took back the 500cc World title. In this year 1961 was held the first Trophée des Nations (with 250cc machines), and in
1962 the 250cc Series became a World Championship. The first 250cc World Champion was the legendary Husqvarna rider Torsten Hallman – another Swede.
