Yellow ribbon the Ole Oak Tree (with the song's lyrics serving as an allegory of Aquino's homecoming after a long period of incarceration and subsequent exile due to his constant criticism of the Marcos regime), supporters tied yellow ribbons along the streets of Metro Manila to welcome him from his self-exile in the United States. Aquino never saw the ribbons as he was assassinated while disembarking at the Manila International Airport on August 21, 1983. His death led to a series of events that culminated in the 1986 People Power Revolution that overthrew President Ferdinand Marcos. The color yellow was symbolic of
Oak Tree National to numerous other PGA of America championships and one United States Golf Association-sanctioned championship. The first notable tournament to be held at Oak Tree was the 1984 U.S. Amateur which was won by Scott Verplank. In 1988, the PGA Championship came to Oak Tree. Jeff Sluman won with a score of twelve under par 272, clinched with a final round 65. In 2000, the PGA Club Professional Championship was held at Oak Tree; Tim Thelen won it in a playoff. Most recently, in 2006, the Senior PGA Championship was held at Oak Tree. Over the four days, gusty winds kept