Jack Nicklaus won the 1966 Masters on April 11, 1966, holding off Tommy Jacobs and Gay Brewer in an 18-hole Monday playoff at Augusta National. At 26 years old and already the defending champion, Nicklaus became the first player ever to successfully defend his Masters title.
The victory was built on a week that tested him from the start. Four close friends from his Ohio hometown died in a private plane crash in Tennessee before his opening tee time, yet Nicklaus still opened with a 68 to take a three-shot lead. He followed with a 76 on Friday, then carded 72 on Saturday and 72 on Sunday to finish regulation at even-par 288, tied with Jacobs and Brewer.
He closed the playoff with a 2-under 70, while Jacobs shot 72 and Brewer slipped to 78. The turning point came when Jacobs bogeyed the 10th and Nicklaus answered with a crucial birdie on the 11th, pushing himself clear in the final stretch. When it was over, Nicklaus slipped the green jacket over his own shoulders, a small gesture that matched the scale of what he had just done.
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The 1966 Masters landed in a year that felt unsettled and strangely vivid at once, when Batman was on television, Star Trek was about to arrive, and records like Revolver, Pet Sounds, Blonde on Blonde and “Strangers in the Night” were part of the air around it. That backdrop matters because Nicklaus’ win was not just another major on a busy sports calendar. It was a reminder that golf’s most exacting test could still produce a champion who absorbed grief, matched pressure shot for shot, and emerged with history in his hands.
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The unanswered question is how long anyone at Augusta could keep up with him after that. For one week in April 1966, Nicklaus was not just the defending champion. He was the standard everyone else had to chase.






