A wind of change swept across the 1975 Tour de France. When the organizers introduced several innovations, they had no idea how lasting they would be. But time has proven them right. Three of those changes are now celebrating their 50th anniversary: the polka-dot jersey for the best climber, the white jersey for the best young rider, and the iconic finish of the final stage on the Champs-Élysées. These bold moves were part of an exceptional edition, which saw Bernard Thévenet become the first rider to defeat Eddy Merckx in the Tour. The official Tour website looks back at five decades of this history, in a four-part series.