Preheat oven to 300°. Line four greased and floured 5-3/4x3x2-in. loaf pans with waxed paper and grease the paper; set aside., In a large bowl, combine dates, nuts, cherries and coconut. Combine flour, sugar, baking powder and salt; stir into fruit mixture until well coated., In a small bowl, beat eggs and vanilla until foamy. Fold into fruit mixture and mix well. Pour into prepared pans., Bake 60-70 minutes or until a toothpick inserted in the center comes out clean. Cool 10 minutes before removing from pans to wire racks to cool completely. Wrap tightly and store in a cool, dry place. Cut with a serrated knife.