And that was over 2,000 years ago when there were no machines emitting carbon dioxide!  Yet more evidence that natural processes cause climate change.

An article on the Egyptian Streets website:

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“The paper demonstrates that changes in climatic conditions and natural disasters in the global north likely impacted the Nile watershed by slowing down the river’s flow.”

“The findings are based on research that combined ice core dating of ancient volcanic eruptions with papyrus records of political upheavals. It argues that almost every single time a volcanic eruption occurred during Egypt’s Ptolemaic era [it] led to uprisings and socio-economic changes.”

Full article