Was the story of Hitler capturing French soldiers and earning an Iron Class First class a lie or did it truly happen? If it didn't, what was the actual reason he earned it?

by Cheezy_Memes

I've read about Hitler's WW1 service and they all mention him being a brave soldier and that he even earned the Iron Cross First Class. But one story that I hear is one where he managed to capture a couple of French soldiers (which is why he got the Iron Cross First Class). But in one particular source it states that it was a lie. If it's not true, what is the origin behind it and how did he actually get an Iron Cross First Class?

Georgy_K_Zhukov

This older answer should be of interest.