[[Fil:TulsaRaceRiot-1921.png|thumb|Bygninger i brand i Tulsa under urolighederne]]
'''Raceoptøjerne i Tulsa 1921''', også kaldet the '''Greenwood Massacre''' og '''Black Wall Street Massacre'''<ref name="KJRH 2019-11-29">{{cite news |url=https://www.kjrh.com/news/local-news/tulsa-1921-race-riot-commission-to-be-renamed-tulsa-race-massacre-commission |title=Tulsa 1921 Race Riot Commission renamed Race Massacre Commission |date=2019-11-29 |work=[[KJRH-TV|KJRH News]] |accessdate=2019-05-10 |url-status=live |location=Tulsa |quote=Sen. Kevin Matthews held a news conference Thursday morning, in which he announced the official name change of the 1921 Race Riot Commission to the 1921 Race Massacre Commission. }}</ref><ref>{{cite web |url=https://timeline.com/history-tulsa-race-massacre-a92bb2356a69 |title=The history of the Tulsa race massacre that destroyed America's wealthiest black neighborhood |last=Day |first=Meagan |date=21. september 2016 |website=Timeline |access-date=27. februar 2019 }}</ref><ref>{{cite journal |url=https://www.thenation.com/article/tulsa-1921/ |title=Tulsa, 1921 |journal=The Nation |first1=Walter F. |last=White |date=23. august 2001 |access-date=27. april 2020 |archive-date=12. juni 2018 |archive-url=https://web.archive.org/web/20180612164337/https://www.thenation.com/article/tulsa-1921/ |url-status=dead }}</ref><ref>{{cite web |url=https://www.colorlines.com/articles/its-been-96-years-white-mobs-destroyed-tulsas-black-wall-street |title=It's Been 96 Years Since White Mobs Destroyed Tulsa's Black Wall Street |first=Sameer |last=Rao |date=31. maj 2017 |work=Colorlines }}</ref><ref>{{cite web |url=http://www.hartford-hwp.com/archives/45a/416.html |title=U.S. ethnic cleansing: The 1921 Tulsa Massacre |website=Workers World |first=Monica |last=Moorehead |date= 10. juni 1999 }}</ref><ref>{{Cite web |url=https://www.theroot.com/nearly-100-years-later-tulsa-begins-search-for-mass-gr-1838883790 |title=Nearly 100 Years Later, Tulsa Begins Search for Mass Graves From 1921 Black Wall Street Massacre |website=The Root |access-date=2019-10-09 }}</ref> var et omfattende [[racisme|racemotiveret]] angreb udført af hvide amerikanere mod [[afroamerikanere|sorte amerikanere]] og forretninger og virksomheder ejet af sorte i kvarteret Greenwood i byen [[Tulsa]] i [[Oklahoma]]. Angrebet varede 16 timer og blev indledt den [[31. maj]] [[1921]].<ref name="Final Report">{{citation |author=Oklahoma Commission |contribution=Final Report |title=Oklahoma Commission to Study the Tulsa Race Riot of 1921 |place=Tulsa, Oklahoma |date=28. februar 2001 |contribution-url=http://www.okhistory.org/research/forms/freport.pdf |contribution-format=PDF |accessdate=20. juni 2018 |archive-url=https://web.archive.org/web/20180602235628/http://www.okhistory.org/research/forms/freport.pdf |archive-date= 2. juni 2018 |url-status=bot: unknown }}</ref> Angrebet er kaldt det værste tilfælde af racistisk motiveret vold i [[USA's historie]].<ref name="okhist">[http://www.okhistory.org/publications/enc/entry.php?entry=TU013 Scott Ellsworth, "Tulsa Race Riot"], ''The Encyclopedia of Oklahoma History and Culture,'' 2009; accessed 31 December 2016</ref>
Historie