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! Year !! Targeted hazard !! Event type !! Details !! Location
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| 9000 [[w:Before Present|BP]] || || || "The earliest Early well-documented masks come from are found in the arid Judean {{w|Judaean Desert in the Middle East about 9,000 years ago. The chance that these are the first masks ever made is nil; these are simply the earliest preserved masks that we currently know of}}."<ref name="sapiens.orgss">{{cite web |title=The Masked Man |url=https://www.sapiens.org/column/curiosities/history-of-masks/ |website=sapiens.org |accessdate=11 September 2020}}</ref> ||{{w|Middle East}}
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| 69 BC–30 BC || || || {{w|Cleopatra VII Philopator}} is famous for using several different combinations to create "the ultimate face masks".<ref name="History of the face mask">{{cite web |title=History of the face mask |url=https://www.slideshare.net/emma_webber/history-of-the-face-mask |website=slideshare.net |accessdate=17 September 2020}}</ref> || {{w|Egypt}}
| 1720 || || || Paintings from {{w|Marseille}} during the [[w:Great Plague of Marseille|last major outbreak of bubonic plague in western Europe]] show gravediggers and people handling bodies with cloth around their faces.<ref name="fastcompany.comsssa"/> || {{w|France}}
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| 1827 || || || "In 1827, Scottish scientist [[w:Robert Brown (botanist, born 1773)|Robert Brown discovered ]] discovers the later called "{{w|Brownian motion,}}" which theoretically proved proves the protective effect of masks on dust."<ref name="globaltimes.cn"/> ". In 1827, the Scottish botanist Robert Brown discovered the phenomenon known as the Brownian movement – the theory that collisions of rapidly moving gas molecules causes the random bouncing motion of extremely small particles. Understanding the behavior of small particles, the properties of filter media and their interactions led to the first particulate respirator."<ref name="cdc.govi"/> || {{w|Middle EastUnited Kingdom}}
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| 1848 || Mining pollution || || Lewis Hassley in the United States develops a mask for miners, obtaining the first patent for a protective mask.<ref name="globaltimes.cn"/><ref name="globaltimes.cn"/> || {{w|United States}}
