Science and Medicine
Davidson Black (July 25, 1884 – March 15, 1934) was a Canadian paleoanthropologist, best known for his naming of Sinanthropus pekinensis (now Homo erectus pekinensis). He was Chairman of the Geological Survey of China and a Fellow of the Royal Society. He was known as 步達生 (pinyin: Bù Dáshēng) in China.
1991 eruption of Mount Pinatubo.
1775–1782 North American smallpox epidemic.
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