Jim Hines of the United States of America becomes the first man ever to break the so-called "ten-second barrier" in the 100-meter sprint in the Summer Olympic Games held in Mexico City with a time of 9.95 seconds.
James Ray Hines (born September 10, 1946) is a retired American track and field athlete and NFL player, who held the 100-meter world record for 15 years. In 1968, he became the first man to officially break the 10-second barrier in the 100 meters, and won individual and relay gold at the Mexico City Olympics.