In a large mixing bowl, beat the butter and Sugar together until well mixed. Add the milk, vanilla and eggs. In a separate bowl, sift the flour with the baking soda and baking powder. Gradually add the flour mixture to the sugar-egg mixture. Lastly, stir in the chopped dates and nuts.
Drop rounded teaspoons full of dough about 2 inches apart unto an ungreased baking sheet. Bake in a 375 degree oven or until the cookies' edges are lightly browned. Cool the cookies on a wire rack. Enjoy!