I agree with the critical comments of the previous readers and i add that this did not appeal to me and you left out big things, or if you added them it was not clear, for instance Charles being killed and England replaced with a republic. I am terribly sorry but this was not good at all.
Also: since you're on a website used by people in countless countries, please be specific about which civil war one you're talking about. Otherwise, we'd all be thinking about a different country's war... Don't be misleading.
Hmm. First off, try to break the text into more paragraphs. Especially on the internet, it really gets hard to keep focus on a wall of text, and without breaking more often, it causes readers to click the back button.
Second, I agree with [b]Nero Sucks[/b]. "I" should not be used in this at all, since it is a historical piece of informative writing. Your opinion has absolutely nothing to do with what has already happened.
You shouldn't start a paragraph off with, "in this paragraph I'm going to show..." It insults the reader's intelligence. Actually, for this kind of essay, you shouldn't use "I" at all.