Cream shortening; gradually add sugar, beating well. Add eggs, one at a time, beating well after each addition.
Dissolve soda in buttermilk. Add 3 1/2 cups flour to creamed mixture alternately with buttermilk mixture, beginning and ending with flour. Beat well after each addition. Dredge dates, pecans, and rind in remaining 1/2 cup flour.
Spoon batter into a greased 10-inch tube pan. Bake at 350° for 1 hour and 25 minutes or until cake tests done.
While cake is still warm, prick surface at 1 inch intervals with a wooden pick; pour Orange Glaze over cake in pan. Cool 10 minutes; remove from pan and cool completely.