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IPFS News Link • History

Climate change and the rise of the Roman Empire and the fall of the Ptolemies

• arclein

t the largest volcanic eruption in the northern Hemisphere of the past 2,500 years occurred in early 43 B.C.E. The researchers found that the geochemistry of tephra -- rock fragments and particles ejected by a volcanic eruption -- originated from the Okmok volcano in Alaska. Climate proxy records show that 43 and 42 B.C.E. were among the coldest year