In what year did Willie Williams set the 100 metres world record that was recorded by the International Association of Athletics Federations?
Willie Williams (athlete): Willie Williams (born September 12, 1931) is a former American sprinter who set the 100 metres world record in 1956, with a new time of 10.1s, one-tenth of second faster than previous record held jointly by 8 men. Men's 100 metres world record progression: The first record in the 100 metres for men (athletics) was recognised by the International Amateur Athletics Federation, now known as the International Association of Athletics Federations, in 1912.
1956