Minus six (exile)
The minus six ({{Langx|ru|Минус шесть|minus shest'}}) was a form of exile imposed in the Soviet Union during the 1920s, which banned the subject from living in or visiting any of the union's six largest cities as well as border territories.{{cite book |last1=Badcock |first1=Sarah |author2=Judith Pallot |year=2018 |chapter=Russia and the Soviet Union from the nineteenth to the twenty-first century |editor=Clare Anderson |title=A Global History of Convicts and Penal Colonies |publisher=Bloomsbury |page=274 |isbn=9781350000674 |chapter-url=https://library.oapen.org/viewer/web/viewer.html?file=/bitstream/handle/20.500.12657/58808/9781350000681.pdf?sequence=1&isAllowed=y |doi=10.5040/9781350000704 |url=https://library.oapen.org/handle/20.500.12657/58808 }}{{cite web |title=A Gentleman at Ursinus |url=https://www.ursinus.edu/live/news/2768-a-gentleman-at-ursinus |publisher=Ursinus College |date=6 April 2018 |language=en}}{{cite book |last1=Smith |first1=Douglas |title=Former people: the final days of the Russian aristocracy |date=2012 |publisher=Farrar, Straus, and Giroux |location=New York |isbn=978-0-374-15761-6 |page=247 |edition=First }}