Happy Birthday: Michael Johnson July 4,1967 - Michael Duane Johnson is a retired American sprinter. He won four Olympic gold medals and eight world championship gold medals. Johnson currently holds the world and Olympic records in the 400 m and 4 x 400 meters relay.
The 7th World Championships in Athletics, under the auspices of the International Association of Athletics Federations, were held at the Estadio Olímpico, Seville, Spain, between the August 20 and August 29. One of the main highlights of the games was the world record set in the 400 metres by Michael Johnson of the United States in a time of 43.18 seconds.
Irena Szewinska of Poland (277) celebrating after winning the gold medal in the women's 400 metres event in the World Record time of 49.28 seconds during the Summer Olympic Games in Montreal, circa July 1976.
Oscar Leonard Carl Pistorius (born 22 November 1986) is a South African sprint runner. Known as the "Blade Runner" and "the fastest man on no legs", Pistorius, who has a double amputation, is the world record holder in the 100, 200 and 400 metres (sport class T44) events and runs with the aid of Cheetah Flex-Foot carbon fibre transtibial artificial limbs by Ossur.