Culture, Education, History, Language, Palabra Final Historians Agree: Spanish was Language of Choice at First Thanksgiving. So Why Don’t We Know? Nov 21, 2007, 2:42 PM 23 LatinaLista — It’s a chapter in history that historians have known about since 1965 but nobody likes to rock the boat especially when that boat is the esteemed Mayflower. In 1965, historian Michael Gannon revealed that 56 years before…