Thanksgiving Day 1. Origin 2. CelebrationThanksgiving DayThe Fourth Thursday In November The Origin of Thanksgiving DayIn the autumn of 1620Pilgrim( 清教徒） The beliefs of the Church of England ？The Origin of Thanksgiving DayIn the winter of 1620 Mayflowers destination is Plymouth, Mass. ( 马萨诸塞州, 普利茅斯)6The Origin of Thanksgiving DayTheir first winterThe lack of foodDiseaseThe Origin of Thanksgiving DayIn the spring of 1621Fresh foodThe skills of survivingThe Origin of Thanksgiving DayIn the autumn
