Summary of world war 1

Hi!

I must tommorow in school stand in front of my class and talk about World War 1, so please if someone do this essay writte it in a clear and easy way to understand it. Beacuse the i must talk about it the world war 1 in a way that they will understand it, not difficult. (A easy clear summary)

Like for example: The world war 1 began 1984 in…………. and so on.