9 jul 1157 año aC - Smallpox First Outbreak
Descripción:
 The earliest evidence of smallpox skin lesions has been found on the faces of mummies from the eighteenth and twentieth Egyptian dynasties, and in the well-preserved mummy of Pharaoh Ramses V, who died in 1157 B.C.E.
The disease carried on for 12,000 years killing estimates of 300 to 500 million people. 
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fecha:
9 jul 1157 año aC
Ahora mismo
 ~ 3185 years ago