Editing 1620 (section)

=== Date unknown ===
* "A Dutch Ship, putting in this Year [of 1620, before June], sold 20 Negroes to the Colony [as [[slaves]]], which were the first of that Generation, that were ever brought to [[Virginia]]."<ref>{{cite book |last1=Stith |first1=William |title=The History of Virginia |date=1747 |publisher=Reprint Company |location=Virginia |page=Book 4, Page 182 |isbn=9780871520265 |url=https://books.google.com/books?id=aB4SAAAAYAAJ |access-date=2022-09-10}}</ref>
* A severe frost in England freezes the River [[Thames]]; 13 continuous days of snow blanket Scotland. On [[Eskdale (Scotland)|Eskdale Moor]], only 35 of a flock of 20,000 sheep survive.<ref>{{Cite book|title=Agricultural Records|last=Stratton|first=J. M.|publisher=John Baker|year=1969|isbn=0-212-97022-4}}</ref>
* [[Witch-hunt]]s begin in Scotland.{{Citation needed|date=September 2024}}
* [[History of submarines]]: [[Cornelis Drebbel]] demonstrates the first navigable [[submarine|undersea boat]] in the [[Thames]] in England.<ref>{{cite book |author=Davis, RH |title=Deep Diving and Submarine Operations |year=1955 |edition=6th |publisher=[[Siebe Gorman|Siebe Gorman & Company Ltd]] |location=Tolworth, Surbiton, Surrey |page=693 |author-link=Robert Davis (inventor) }}</ref><ref name=acott>{{cite journal |last=Acott |first=C. |title=A brief history of diving and decompression illness. |journal=South Pacific Underwater Medicine Society Journal |volume=29 |issue=2 |year=1999 |issn=0813-1988 |oclc=16986801 |url=http://archive.rubicon-foundation.org/6004 |access-date=2009-03-17 |archive-url=https://web.archive.org/web/20110905152645/http://archive.rubicon-foundation.org/6004 |archive-date=2011-09-05 |url-status=usurped }}</ref>
* The modern [[violin]] is developed.{{Citation needed|date=September 2024}}
* [[Juan Pablo Bonet]], teacher of deaf children in the Spanish court, creates a sign alphabet.<ref>{{cite book |last1=Plann |first1=Susan |title=A Silent Minority: Deaf Education in Spain, 1550-1835 |date=1997 |publisher=University of California Press |location=Berkeley |url=http://ark.cdlib.org/ark:/13030/ft338nb1x6/}}</ref>
* [[Francis Bacon]] publishes the ''[[Novum Organum]]'' (beyond [[Aristotle]]'s ''[[Organon]]'') on logical thinking.{{Citation needed|date=September 2024}}<ref>1.

Donaldson I. Francis Bacon&amp;#x2019;s comments on the power of negative observations in his Novum Organum, first published in 1620. Journal of the Royal Society of Medicine. 2016;109(12):459-460. doi:10.1177/0141076816675805</ref>
* ''[[A Short Account of the Destruction of the Indies]]'' by [[Bartolomé de las Casas]] and ''Origin and progress of the disturbances in the Netherlands'' by [[Johannes Gysius]] are re-published in the Netherlands.<ref name="WDL515">{{cite web|url=https://www.loc.gov/item/2006584207/|title=Mirror of the Cruel and Horrible Spanish Tyranny Perpetrated in the Netherlands, by the Tyrant, the Duke of Alba, and Other Commanders of King Philip II|website=World Digital Library|date=1620|access-date=2024-09-23}}</ref>
* Shōgun [[Tokugawa Hidetada]] begins restoring [[Osaka Castle]] in Japan. Its modern-day appearance dates from this remodeling.<ref name="archaeology">{{Cite web |title=Osaka Castle Wall Stone Quarry |url=https://archaeology.jp/sites/2011/ishikiri.htm |access-date=2025-03-07 |website=Archaeology.jp}}</ref>