9. The Eruption of Mount Tambora and the ‘Year Without a Summer’
The 1815 eruption of Mount Tambora caused global climate anomalies, leading to crop failures and famine. The disruptive ‘Year Without a Summer’ in 1816 forced some conflicts to pause, as societies struggled to survive. The resulting crises overshadowed hostilities in parts of Europe. Further reading at NOAA Climate.gov.



