<page_title> List of Grand Prix motorcycle racing World Champions by year </page_title> <section_title> List </section_title> <table> <cell> 1950 <col_header> Year </col_header> <col_header> 1949 </col_header> </cell> <cell> Italy Dario Ambrosini (Benelli) <col_header> 250cc </col_header> <row_header> 1950 </row_header> </cell> </table>
In 1950, Dario Ambrosini claimed the 250cc world championship.