Kevin Murray double-eagles the 647-yard second hole at the Guam Navy GC, the longest double-eagle ever recorded.
The PGA TOUR introduces the all-exempt Tour, with the top 125 players exempt from qualifying tournaments.
Desert Highlands opens in Phoenix from a design by Jack Nicklaus utilizing only 80 irrigated acres for 18 holes, instead of the typical 100-150 for a major course. The success of Nicklaus' concept of "target golf" ushers in the era of environmentally-sensitive desert design.
Nancy Lopez sets the LPGA 72-hole record with 268 in the Henredon Classic.
The United States loses the Ryder Cup matches for the first time since 1957, to the expanded European team.
The USGA introduces the Slope System to allow golfers to adjust their handicaps to allow for the relative difficulty of a golf course compared to players of their own ability.
Bob Tway sinks a miracle bunker shot to beat a stunned Greg Norman in the PGA Championship. Norman had held the lead on Sunday morning in each of the four major championships of 1986, but was able to win only in the British Open. Only Bobby Jones had previously held the Sunday morning lead in each Grand Slam event. Tway's stroke inaugurated a celebrated series of miracle shots holed by various golfers to defeat Norman.
The Pete Dye-designed PGA West opens amid great controversy concerning the difficulty of the course.
The Panasonic Las Vegas Invitational offers the first $1 million purse.