The Pilgrims left England in 1620 due to religious persecution and traveled to America aboard the Mayflower. A storm caused the Mayflower to land far north of their intended destination in Virginia. That first winter was extremely difficult, and over half of the Pilgrims died due to the lack of food and shelter. The next spring, the Native Americans Squanto and Samoset taught the Pilgrims how to survive and helped them plant crops. In the autumn of 1621, the Pilgrims had a successful harvest and held a three-day feast with the Native Americans to celebrate their survival and new life in America, which later became known as the first Thanksgiving.