If you include the U.S. Open (1895) managed by the USGA, and the PGA Championship (1916) managed by the PGA of America, then the Valero Texas Open is the fifth oldest professional tournament in North America.f you include the U.S. Open (1895) managed by the USGA, and the PGA Championship (1916) managed by the PGA of America, then the Valero Texas Open is the fifth oldest professional tournament in North America.
1. horseshoer-a person who shoes horses. farrier.
Thermopylae is part of the infamous horseshoe of Maliakos  also known as the horseshoe of death: it is the narrowest part of the highway connecting the north and the south of Greece. It has many turns and has been the site of many vehicular accidents.