The rules of golf at St. Andrews in 1812 state that if your ball strikes your adversary or their caddy then they lose the hole. – WTF Fun Facts
Source: http://www.ruleshistory.com/rules1812.html#9

The rules of golf at St. Andrews in 1812 state that if your ball strikes your adversary or their caddy then they lose the hole. – WTF Fun Facts
Source: http://www.ruleshistory.com/rules1812.html#9