"World History in its broadest sense is the story of humanity's past. It also refers to the recording of that past. The diverse sources of history include books, newspapers, printed documents, personal papers, and other archival records, artifacts, and oral accounts.
Historians use this material to form coherent narratives and uncover linked sequences and patterns in past events. Most histories are concerned with causality, that is, why certain outcomes happened as they did, and how they are linked to earlier events"
From CREDO history in the from The Columbia Encyclopedia
The Winged Victory of Samothrace, Early 2nd Century B.C., Louvre