What are some of the local stories of myth that are popular in Denmark that are often told within Denmark literature are recited by Denmark children?
Base on google, the well known are ugly duckling about an ugly duckling that grown up to be a beautiful swan.
And another about fat cat, with a story like this "A mouse lives with a very hungry cat. The hungry cat goes about eating everyone-a woman, soldiers, an elephant… declaring he's "Meow, meow FAT!" and a "HUNGRY HUNGRY CAT!" until he is enormous. The mouse (Now inside the cat's tummy) snips open his stomach, lets everyone out and sews the cat up. He is now "Meow meow FLAT!" and an "EMPTY EMPTY CAT!"