This Day in Golf History: December 31
The stymie rule officially died on this date in 1951. The rule called for balls to be played as they came to rest on the green; you couldn't mark the ball and pick it up. That meant that if a golfer's ball stopped between the hole and another player's ball, that player had "laid a stymie" and the "stymied" golfer had to putt around the ball or in some instances tried to chip over the ball to hole out. To see an example, there is old newsreel video of Paul Runyan on YouTube chipping over a stymie successfully on the green in his 1938 PGA Championship victory over Sam Snead.