Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The men's 400 metres hurdles was a track & field athletics event at the 1900 Summer Olympics in Paris. This event was held for the first time at the Olympics. The competition took part on July 14 and July 15, 1900. The race was held on a track of 500 metres in circumference. Five athletes from four nations competed in the longest of the three hurdling events. The 1900 Summer Olympics, today officially known as the Games of the II Olympiad, was an international multi-sport event which was celebrated in 1900 in Paris, France.