DATE-NUT LAYER: In a medium saucepan combine dates and water; cook over medium heat until mixture comes to a boil and dates have softened.
Add 1/3 cup brown sugar and butter. Stir to blend. Remove from heat.
Stir in nuts and cinnamon. Cool while preparing filling.
FILLING: In a medium bowl, beat lightly, add pumpkin, evaportaed milk, granulated sugar 1/2 cup brown sugar, cinnamon, ginger, nutmeg, salt and cloves. Stir to blend.
Spoon date-nut mixture into unbaked pie crust. Pour in filling.
Bake at 450F for 10 minutes. Reduce oven temperature to 350°F Bake 45-50 minutes or until knife inserted in center comes out clean.
Cool to room temerature before serving.
GARNISH: Spoon whipped cream around outer edge of pie just before serving. Refrigerate leftover pie.
Flute edge or cut small leaves and pumpkins from pastry scraps and press around edge of unbaked pie crust.