Is Henry the Fourth Henry?

So Henry the fourth has a rebellion. He's got to put down. So he rides up north with his army to fight the Persies to fight Hotspur. The battle of Shrewsbury is the first time battle ever happened in England where English men and English men fought each other with their new technology known as the longbow. And it was one of these battles where you realized we need to rethink war because this old way just meant too many important people were getting shot by arrows.