subbotnik
Subbotnik is a day of voluntary unpaid labor observed in the Soviet Union and some post-Soviet states, traditionally held on a Saturday. The name derives from subbota, the Russian word for Saturday, with the -nik suffix indicating an event or activity. Subbotniks were framed as civic duty and a practical contribution to socialist construction, and participation was organized at local levels by state bodies, trade unions, Komsomol, and factory or village committees.
The practice originated in the early years of Soviet power, with mass mobilizations during 1919–1920 and then
In later decades, subbotniks varied in scale and form, sometimes reappearing as official campaigns or as voluntary
See also: volunteerism; Komsomol; public works; environmental cleanup campaigns.