2000 — Tiger Woods, at 24, becomes the youngest player to win the career Grand Slam with a record-breaking performance in the British Open on the Old Course at St. Andrews. Woods closes with a 3-under 69 for a 19-under 269 total, the lowest score in relation to par at a major championship.

Scottie Scheffler won his fourth career major at the 153rd Open Championship. Comparisons to Tiger Woods have since followed. Jordan Spieth spoke on the

Scheffler posted a 64 on Friday in the second round of the British Open, which had him just a shot off the course record in Northern Ireland. He left a birdie putt painfully short at the final hole, too. That moved the top-ranked golfer in the world into the solo lead at the midway point of the final major championship of the season.

Here's a capsule look at key anniversaries for the British Open this year. This is golf's oldest championship, so it dates back to the 19th century.

British Open's purse and the payout for the top 10 places. The schedule for the tournament and the previous winners.

So it came as a bit of a jolt for American audiences who woke up Thursday morning to see Lee Westwood near the top of the leaderboard at the British Open. (Also up there: Phil Mickelson, who outdueled Westwood in 2010 at the Masters. Fifteen years ago.)

The "Golden Bear" and 18-time major winner won the first of his three Opens and completed the first of his three career grand slams along the southeastern Scottish coast in 1966, then called the par-71 layout "the best golf course in Britain."