Here you can check out exactly when Thanksgiving is in the United States in 2013. See important dates below.
According to traditions in the United States the first Thanksgivig day was celebrated in 1621 on the deck of Mayflower. The settlers got help from an indian tribe who tought them how to fish and hunt on that country. The story says that 51 settler stayed alive, and their leader, William Bradford organized a huge fest where the indians were also invited.
So do you know now when is Thanksgiving in the United States 2013? :)