Bernhard Langer became the first player to win all five senior majors as he carded a four-under-par final round to overhaul Vijay Singh at the Senior PGA Championship.
The 59-year-old German, who began the day a shot behind Singh, produced five birdies at Trump National Golf Club on Sunday to finish on 18 under par, one stroke ahead of the Fijian.
His success on the outskirts of Washington DC completes his senior major collection and, after recent victories at the Tradition and the Senior Players Championship, means he currently holds three of the titles.
Singh, a three-time major champion on the main tour, was aiming to make history of his own by becoming the 12th player to win both the PGA Championship and the Senior PGA Championship.
A costly bogey on the 17th ultimately proved decisive as he surrendered his overnight lead and failed to force Langer into a play-off.
American Billy Andrade and Spain's Miguel Angel Jimenez finished five shots off the pace in joint third, while Scott McCarron and Bob Estes both ended on 12 under.
Scotland's Colin Montgomerie, who was tied for 17th on four under, was the highest-placed British player.
Final collated scores and totals
(USA unless stated, par 72):
270 Bernhard Langer (Ger) 65 67 70 68
271 Vijay Singh (Fij) 66 68 67 70
275 Billy Andrade 67 68 69 71, Miguel Angel Jimenez (Spa) 67 71 69 68
276 Bob Estes 70 69 67 70, Scott McCarron 67 67 73 69
277 David Toms 69 68 71 69280 Jerry Kelly 70 70 69 71, Brandt Jobe 69 71 69 71
281 Duffy Waldorf 69 72 68 72
282 Paul Goydos 70 71 68 73, Joey Sindelar 67 76 67 72, Prayad Marksaeng (Tha) 70 69 70 73, Larry Mize 65 73 69 75
283 Tom Lehman 67 69 75 72, Scott Parel 72 75 65 71
284 John Daly 70 74 70 70, Colin Montgomerie (Sco) 70 75 69 70, Lee Janzen 67 74 70 73, Kevin Sutherland 71 72 68 73
285 Glen Day 70 72 72 71, Stephen Ames (Can) 70 73 68 74, Jesper Parnevik (Swe) 75 71 69 70, Tommy Armour III 70 74 72 69
286 James Kingston (Rsa) 67 74 72 73, Tom Byrum 75 70 72 69, Wes Short, Jr. 69 76 71 70
287 Scott Dunlap 68 75 70 74, Brian Henninger 69 77 67 74, Billy Mayfair 72 76 66 73, Mike Goodes 72 73 70 72, Barry Lane (Eng) 70 76 70 71
288 Kenny Perry 74 73 69 72, Kirk Triplett 70 74 69 75, Marco Dawson 73 73 67 75, Tim Petrovic 69 77 70 72, Paul Broadhurst (Eng) 71 71 74 72
289 Jerry Smith 74 71 73 71, Steve Pate 71 77 71 70, Miguel Angel Martin (Spa) 70 73 74 72, Carlos Franco (Par) 70 71 73 75, Peter Fowler (Aus) 74 69 73 73, Fred Funk 71 75 71 72, Jay Haas 74 72 74 69, Bob Tway 69 76 71 73
290 Fran Quinn 66 80 71 73, Jim Estes 74 73 73 70, Andre Bossert (Swi) 69 74 71 76, Joe Durant 72 73 74 71, Mark O'Meara 70 75 70 75, Loren Roberts 74 74 73 69, Santiago Luna (Spa) 70 72 73 75
291 Takeshi Sakiyama 68 71 74 78, Mark Brown (Nzl) 74 71 73 73
292 Rod Spittle (Can) 68 77 70 77, Esteban Toledo (Mex) 70 73 73 76, Bart Bryant 70 76 70 76, Olin Browne 72 72 73 75
293 Rick Schuller 72 75 70 76, Jeff Maggert 72 76 70 75, Jeff Sluman 70 78 72 73, Jay Don Blake 72 73 74 74
295 Ian Woosnam (Wal) 69 78 73 75, Sandy Lyle (Sco) 70 78 77 70
296 Bill Glasson 71 76 74 75
297 Roger Chapman (Eng) 76 72 71 78, Doug Garwood 71 74 76 76, Jerry Pate 72 76 76 73
298 Dan Forsman 71 75 75 77, Paul Eales (Eng) 73 72 76 77, Jeff Roth 74 73 74 77, Jim Carter 71 77 74 76
299 Naoyuki Tamura 70 78 75 76
300 Gordon Manson (Aut) 74 73 79 74304 Lee Houtteman 74 73 79 78
306 Steve Lowery 72 76 76 82