As literary sources testify, for less than seven centuries Lida Castle played a significant role in history. In 1387, the Polish king and Grand Duke of Lithuania Jagiello took the oath of office in the castle from his brother Skirgaila, the Prince of Polotsk, in 1422 the marriage of King Jagiello with 17-year-old Sofia Golshanskaya was celebrated in the castle, in July 1506 he took communion within the castle walls and The will was signed by the terminally ill King of Poland and the Grand Duke of Lithuania. In the XIV century. The walls of Lida Castle withstood the onslaught of the crusaders more than once. They first appeared under the castle walls in 1392, when the swamps around the fortification were frozen in ice. During the reign of the Polish-Lithuanian Commonwealth king John Casimir, Lida received Magdeburg law. The castle belonged to the state and was guarded by the local gentry. Weapon depots and a garrison were located here. In the middle of the 17th – beginning of the 18th century. The peaceful life of the city of Lida was interrupted by the war. In the summer of 1659, the castle was surrounded on all sides by the 30,000-strong army of the Tsarist governor Ivan Khovansky. The castle was dealt a strong blow by the Swedes, who at the beginning of the 18th century. Both towers were blown up, and the fortification lost its strategic importance. Its walls gradually collapsed. However, in the surviving premises, city acts were kept and trials were held. The castle almost completely collapsed in the summer of 1794: in its ruins the rebels of Tadeusz Kościuszko fought with the tsarist troops. After the fire of 1891, without any discussion, they began to break down the castle walls and put bricks and stones for sale. Rumors about the dismantling of the castle reached the Imperial Archaeological Commission. An employee of the Commission, Petr Petrovich Pokryshkin, was sent to Lida. After his report, the Commission forbade touching the castle walls. At the beginning of the twentieth century. Some strengthening work was carried out. A Construction Commission for the repair of Lida Castle was created. During the period from 1909 to 1911, the western, northern and eastern walls were brought into proper condition; as for the southern wall, it, as the least in need of repair, was left without it.