PERVOMAYSK

also spelled Pervomaisk, or Pervomajsk, city, Nikolayev oblast (province), Ukraine, at the confluence of the Sinyukha and Yuzhny Bug rivers. The city, formerly known as Olviopol, was incorporated in 1773 and renamed, literally, First of May, after the international (Communist) holiday, in 1919. The city is divided by the rivers into three separate parts. It is now an industrial centre, with machine, engineering, food, and furniture industries. Pop. (1991 est.) 83,800. also spelled Pervomaisk, or Pervomajsk mining town, Luhansk oblast (province), Ukraine, on the Donets Coal Basin. The town, the name of which means First of May, after the international (Communist) holiday, was incorporated in 1938, before which it was known as Petromaryevka. Besides mining, Pervomaysk has electrical-engineering and light industries. Pop. (1991 est.) 52,000.