[2] During the Russian Civil War that began in 1918, Sem Kolodezey changed hands multiple times.

In November 1920, it finally fell into the hands of the Bolsheviks, who established the Soviet Union on much of the territory of the former Russian Empire.

In 1921, Kerchensky Uyezd was renamed Kerch Okrug, and made part of the Crimean Autonomous Socialist Soviet Republic within the Russian SFSR.

[citation needed] In March 2014, Russia invaded and annexed the Crimean peninsula from Ukraine.

In 2016, as part of decommunization in Ukraine, the Ukrainian government officially restored the settlements indigenous name of Yedi Quyu, as well as renaming Lenine Raion to match.