National Tater Day on March 31st recognizes all kinds of potatoes which provide us with essential vitamins, minerals & fiber. Potatoes are quite versatile, which might explain why so many people like them. They are the number one consumed vegetable in the United States. Consider how many ways we can eat the over 200 different kinds of potatoes in the United States. Worldwide, there are ovre four thousand potato varieties. Have your potato the way you like it. Sprinkle with herbs, cheese or hint of salt.