(Patch) - Sunday afternoon at Charles Krug Winery in St. Helena, the Napa Valley set its first world record when a group of 487 people received Guinness certification for the largest single rolling wine toast, breaking the Chinese record of 321 set in 2011. Updated Sunday evening by a weary and exhilarated participant: What America's Cup? The big international event in the Napa Valley this weekend was a determined effort by a group of St. Helena nonprofits to wrest a Guinness World Record from Guangzhou, China.