This sentence makes me cringe. You don't know how many times people here have felt the need to 'remind' me of this 'fact'. Despite the fact that the English didn't invent the English language, it just happened to be in England that all the pieces came together.
Brief history:
Before William the Conqueror conquered England in 1066, the 3 common languages on the British Isles were Latin, Welsh, and Celtic. Once the Norwegians invaded, they opened England up to the rest of Europe as a hotspot for cultural diversity (much like America today). This is how modern English came to be, even though the earliest written records of the English we all know and speak didn't actually come about until somewhere around the 14th or 15th century.
Even then it was almost a completely different language. But of all the languages, English is the worst to learn, one of the most expressive to use, the most 'universal' language so far (words are taken from just about every language on the planet), and also has the most interesting history.
Too bad it's known as the 'Language of Hate.' There are significantly more ways to insult someone in English than there are to complement them. . . Kinda makes you proud, huh?