Which event best identifies the beginning of the so-called Dark Ages in Europe?

initiation of the Hundred Years’ War

rise of the Arab Empire

spread of the bubonic plague

fall of the Roman Empire

Fall of the Roman Empire signalled the end of many Roman traditions that were respected and knowledgeable

The event that best identifies the beginning of the so-called Dark Ages in Europe was the fall of the Roman Empire.

Explanation:

The "Dark Ages" is a historical periodization that emphasizes the demographic, cultural and economic deteriorations that occurred in Europe following the decline of the Western Roman Empire. It is characterized by a relative scarcity of historical records and other writings, at least for some areas of Europe, thus making it obscure for historians.