Yes; the sentence given: ________________________ "<span>The students were bored. They didn't know this history would be important to them." ________________________ could be correct. ________________________ The word: "history" has different meanings, including: "a particular systemic account of events". As such, the term: "this history" be referring to such a particular account or reference. (And note: the word "history" has a plural: "histories"). So depending on the context, the sentence could be entirely correct. </span>
