Sift together flour, baking soda, salt, soda and spices. Measure out fruit and nuts, dates and raisins in a very large bowl. Cream butter and sugar, add eggs and beat well. Alternately add dry ingredients and grape juice to creamed mixture, beating well after each addition. Mix into fruit, nuts and applesauce. Pour into prepared pans weighing about 2 pounds each. Bake at 275 degrees for about 2 hours, or until pick comes out clean. (For a fruitier cake: may also add 2 pounds of cherries and 2 pounds of candied fruit)