A group of 1,008 people wearing sombreros at Waterfront Park in Portland, Ore., set a world record on May 12, 2012. The previous record for the largest gathering of people wearing sombreros, was about 500 people.
Ron Burback who owns Funtastic Traveling Shows Carnival in Portland has a Special Events division that produces full events. They produce the three-day Cinco de Mayo Fiesta, the largest Hispanic event in Portland, over the Cinco de Mayo weekend.
http://www.amusementtoday.com/portland- ... ld-record/