Did you know that there are over 20,000 species of butterflies in the world? Did you know that the butterfly popularly known as Cabbage White is the most common butterfly in the United States? Today is the day to learn all types of interesting facts about these majestic creatures. You can even create your own butterfly garden to help the conservation of butterflies and their habitat! For even more about National Learn About Butterflies Day go to your local library and check out a book about butterflies! You will be happy you did.