Agree. A good example is the Mongol empire, which I wasn't familiar with at all (it is barely covered by any european school history book). Dan Carlin made an interesting series of podcasts on the topic [1]. The Mongols barely left any written trace but wiped out entires cities and regions [2].
[1] https://www.dancarlin.com/product/hardcore-history-43-wrath-... https://www.dancarlin.com/product/hardcore-history-44-wrath-... https://www.dancarlin.com/product/hardcore-history-45-wrath-... https://www.dancarlin.com/product/hardcore-history-46-wrath-... https://www.dancarlin.com/product/hardcore-history-47-wrath-...
[2] https://en.wikipedia.org/wiki/Destruction_under_the_Mongol_E...