)"Since 1970, the United American Indians of New England, a protest group led by Frank "Wamsutta" James has accused the United States and European settlers of fabricating the Thanksgiving story and of whitewashing a genocide and injustice against Native Americans, and it has led a National Day of Mourning protest on Thanksgiving at Plymouth Rock in Plymouth, Massachusetts in the name of social equality and in honor of political prisoners.On November 27, 1969, as another notable example of anti-Thanksgiving sentiment, hundreds of supporters traveled to Alcatraz on Thanksgiving Day to celebrate the Occupation of Alcatraz (which had started a week earlier and lasted until 1971) by Native Americans of All Tribes.