What significant agreement was formed in June 1901?

In June 1901, a significant agreement that impacted the sport of golf was the formation of a golf association, specifically the establishment of the Professional Golfers' Association (PGA). This organization was created to promote the game and support the professional golfers. The formation of such an association marked a milestone in the development of professional golf, providing structure and support to the players, as well as helping to govern and conduct tournaments.

The formation of a golf association helped unify the professional golfing community and elevate the status of the sport, providing a platform for golfers to collaborate, share ideas, and establish standards in both play and conduct. This was vital for the growth of golf as a recognized sport. Understanding this context reflects the importance of organizational structures within sports and their role in enhancing professionalism and competition.

Other options, like a golf championship, equipment standard, or course design plan, did not take place as significant formal agreements at that time in June 1901 and are therefore not considered central to the historical developments of that particular period in golf history.