Circuit des Champs de Bataille
... that the Circuit des Champs de Bataille, a stage race held across devastated northern France, Belgium and Luxembourg in spring 1919, has been described as the toughest cycle race in history?
... that the <b id="mwCjw"><a href="./Circuit_des_Champs_de_Bataille" id="mwCj0" rel="mw:WikiLink" title="Circuit des Champs de Bataille">Circuit des Champs de Bataille</a></b>, a stage race held across devastated northern France, Belgium and Luxembourg in spring 1919, has been described as the toughest cycle race in history?