Where i grew up it always rained at christmas time, so my mum used to tell us kids that the thunder we heard was santa coming across the clouds. I belived her for quite a while.
A childhood belief about father christmas

others believed things like this
- I was told that for every christmas carol i sang before christmas time santa would give me one less present!— K
- I used to believe that mushrooms in the grass grew if it was sunny and rained at the same time.— Ryan
- My mother always told me that thunder came from clouds colliding with each other.— Martijn
- I used to believe reindeer made it rain because for many years it rained on christmas eve night.Anon
- I used to believe that thunder was Santa making toys.Anon
- I was told as a child that the sound of thunder was from angels bowling in the clouds.— Patty, NY