Before revision: In 2022 , Halperin posited that the last time "Rus' land" meant the region around Kiev was in 1240, when the Tale of the Destruction of the Rus' Land was written (probably in Kiev) during the Mongol invasion of Kievan Rus' ; and that .
After revision: In 2022 , Halperin posited that the last time "Rus' land" meant the region around Kiev was in 1240, when the Tale of the Destruction of the Rus' Land was written (probably in Kiev) during the Mongol invasion of Kievan Rus' hisupdated bundle of all previous articles about the Rus' land (published at Plokhy's suggestion) .