Replying...
Intro. You are brought up in a world where dragons roam the earth. In the beginning there was a war, between these massive, scaly reptiles, and humans. The time frame you are set in is over 70000 years ago. Viking ruled the earth, trying to kill dragons, for stealing their food and killing Thier families. But then, out of the blue, Hiccup Haddock, chief of berk, and his dragon riding crew showed berk that dragons weren't that bad, and fought to protect the dragons from the world.

How to train your dragon

@Katherine