History as most generally practiced is about interpretation of the “facts” (or data or evidence — the distinction is important and was discussed at some length in comments here).
Historians seek out evidence from sources of identifiable provenance: diaries, police records, government papers, newspapers, etc. The nature of the sources, the provenance of the sources, are important for the historian in knowing how to assess the reliability or biases of those sources.
The debate among historians of Australian history over the extent of massacres of aboriginal peoples is about interpretation of the “facts” — the facts being the tangible documentary evidence.
It is the same with ancient history. An ancient inscription may be very clear in the tale it tells, such as the rise of Syrian king Idrimi. But how should that tale be interpreted? Is it a true narrative or a piece of mostly fictional propaganda? External witnesses are brought in — what do other texts, remains or monuments indicate? What do we know of the literary style and its purposes elsewhere? read more