It was raised during the time of Peter I Muşat. The first documentary mention dates to 1395. During the time of Alexander Lăpuşneanu (1564 - 1568) the fortress was partially destroyed. In the year 1691, the fortress was defended by a small group of frontier guards against the siege of the Polish army headed by John Sobietski. The works conducted during the time of Stephen the Great strengthened it, due to the defence ditch flanked by strong bastions, the very high walls, the access paths, which made it impossible to transport the battle "machine" for destroying the walls, Neamţ Fortress became one of the strongest fortresses in Moldavia. In the year 1866 Neam...55; Fortress was listed as a historic monument. The wall reconsolidation works, conducted between 1968 and 1972, under the leadership of the well known architect Ştefan Balş, were designed to conserve and maintain the monument as it had been, without reconstructing the vanished parts. From lack of reliable information, they executed only some terraces necessary for a safe visitation of this historic site.