. . . "Cetinje Octoechos"@en . "540"^^ . . . "The Cetinje Octoechos (Serbian: \u0426\u0435\u0442\u0438\u045A\u0441\u043A\u0438 \u043E\u043A\u0442\u043E\u0438\u0445 or Cetinjski oktoih) is an Orthodox liturgical book printed in 1494 in Cetinje, the capital of the Principality of Zeta (in present-day Montenegro). It is the first incunabulum written in the Serbian recension of Church Slavonic, as well as the first book printed in Cyrillic in Southeast Europe."@en .