In This Day In History video clip - May 1, 1931: Empire State Building dedicated - At the White House in Washington, D.C., President Herbert Hoover pushes a button that turns on the lights of New York City's Empire State Building, officially opening the tallest building erected to that date.
1 Sweet potatoes have a lot of nutrients, which are good for you body, such as vitamin B6, potassium, and iron which your body needs to help you grow strong.  Sweet potatoes are a good source of dietary fiber which helps to promote a healthy digestive tract.
*Based on a 2,000 calorie diet. One medium sweet potato contains 112 calories and 26 grams of carbohydrate (equivalent to almost two slices of bread). Sweet potatoes are also rich in fiber, racking in about 15 percent in one medium sized.