. . . "Zaporozhian Host"@en . . . "up to 40,000 (1649)" . "1572Z"^^ . . . . "1648Z"^^ . . . "Registered Cossacks (Ukrainian: \u0420\u0435\u0454\u0441\u0442\u0440\u043E\u0432\u0456 \u043A\u043E\u0437\u0430\u043A\u0438, Rye'estrovi kozaky, Polish: Kozacy rejestrowi) were warriors who were recorded in official registries as Cossacks. The registered Cossacks became one of the important social groups of the Polish-Lithuanian Commonwealth."@en . .