Okay kiddo, let's learn about the history of the English language!
So a very long time ago, there were many different groups of people living in what is now England. They all spoke different languages, like Celtic and Latin.
Then, in the 5th century, some people from Germany called the Anglo-Saxons came over and started taking over the land. They spoke a language called Old English, which is very different from the English we speak today.
Old English had some really cool words like "thegn" (a nobleman) and "wæsðu" (to wash). But it was hard to learn because the grammar was a bit complicated.
Later on, in the 11th century, some people from France called the Normans came over and took over England. They spoke a version of French and brought their language with them.
So now, English had some French words like "castle" and "government". But regular people still spoke Old English, just mixed with some French words.
Over time, English changed and evolved. People started pronouncing words differently, like saying "th" instead of "ð" (which is a sound that doesn't exist in some languages).
In the 15th century, a man called William Caxton started printing books. This helped spread the English language across England and made it more popular.
In the 17th and 18th centuries, English speakers started to travel to other parts of the world and bring their language with them. This is why English is now spoken all over the world, even in countries where it's not the official language.
Today, English is constantly evolving and changing, but it's still one of the most important languages in the world.