system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which years was the Tour de France not raced?


assistant
The Tour was not contested in 1915, 1916, 1917 and 1918 due to World War 1. It was again postponed from 1940 through 1945 due to World War 2.