Deze [Sovjetski revoljoetsionni kalendar] of Revolutionaire Sovjetkalender, gemeenzaam de Eeuwige kalender genoemd, moest van start gaan op 1 oktober 1929.
This [Sovietsky revolyutsionny kalendar] or Soviet revolutionary calendar,commonly referred to as the Eternal Calendar, had to be effective on October 1, 1929.ParaCrawl Corpus ParaCrawl Corpus