<a href="http://www.beliefnet.com/Love-Family/Holidays/Thanksgiving/Thanksgiving-Guide.aspx">Thanksgiving</a> is celebrated each year on the fourth Thursday of November, and it is a day of expressing gratitude for family, friends, and blessings. Even though Thanksgiving is now a secular holiday, it was once a religious day set aside for fasting and praying to God. Test your knowledge of Thanksgiving history to find out its meaningful beginning. Read next feature >