Catastrophe: An Investigation into the Origins of Modern Civilization

It was a catastrophe without precedent in recorded history: for months on end, starting in A.D. 535, a strange, dusky haze robbed much of the earth of normal sunlight. Crops failed in Asia and the Middle East as global weather patterns radically altered.

Từ khóa: historical study, social history, earth sciences, climatology, natural disasters, khí hậu, địa lý, thiên tai