The original inhabitants of the region were the Balt tribe of the Aesti, mentioned by Tacitus in his Germania (AD 98). The town, known in German as Rastenburg and in Polish as Rastembork, was established in 1329 in the State of the Teutonic Knights and was granted town rights in 1357 by Henning Schindekop.
After the Battle of Grunwald, in 1410, the mayor surrendered the town to Poland, however, it fell back to the Teutonic Knights in 1411. In 1440, the town joined the anti-Teutonic Prussian Confederation.[2][3] Upon the request of the Confederation, King Casimir IV Jagiellon incorporated the region and town to the Kingdom of Poland in 1454.[4] The town then recognized the Polish King as the rightful ruler and the townspeople sent their representative to Königsberg to pay homage to the King.[5]
After the Thirteen Years’ War (1454–1466) the town was part of Poland as a fief held by the Teutonic Order's state[6] and, from 1525 to 1701, it was part of the Duchy of Prussia, a Polish fief until 1657. In the second half of the 17th century, Poles constituted around a half of the town's population, the other half being Germans.[2] In 1667, a Polish church school was established.[2]
In 1701 the town became part of the Kingdom of Prussia and subsequently, in 1871, part of Germany. During the Seven Years' War, from 1758 to 1762, the town was occupied by the Russians, in June 1807, throughout the Napoleonic wars, the division of General Jan Henryk Dąbrowski was stationed in the town. Following the unsuccessful Polish November Uprising, in 1832–1833, Polish insurgents, including several officers, were interned in the town.[7]
In the late 19th century a Polish Lutheran parish still existed in Rastenburg,[8] despite the policy of Germanisation conducted by the Prussian authorities.[2] In the second half of the 19th century, a sugar factory, brewery and mill were built.
In 1945, the area suffered devastation from both the retreating Germans and advancing Soviets during the Vistula-Oder campaign. Some ruins of the Wolf's Lair remain. The town was a Wehrmacht garrison town until it was occupied by the Red Army on 27 January 1945. The largely abandoned town was heavily destroyed by the Soviets.[2]
After the war, the town's life was being rebuilt. In 1945, the Municipal Theater was established.[2] Thanks to voluntary contributions, books were purchased for newly organized public libraries.[2] A museum was created in the renovated castle.[2]
From 1975 to 1998, Kętrzyn was administratively located in the Olsztyn Voivodeship.
Climate
Kętrzyn's climate is either oceanic (Köppen: Cfb) or humid continental (Köppen: Dfb), depending on the isotherm used. The climate of the city has a considerable thermal amplitude, but still with some not so pronounced influence of the sea.[13][14]
Climate data for Ketrzyn (Wilamowo Airport), elevation: 110 m or 360 ft, 1991–2020 normals, extremes 1966–present
^Kasparek, Norbert (2014). "Żołnierze polscy w Prusach po upadku powstania listopadowego. Powroty do kraju i wyjazdy na emigrację". In Katafiasz, Tomasz (ed.). Na tułaczym szlaku... Powstańcy Listopadowi na Pomorzu (in Polish). Koszalin: Muzeum w Koszalinie, Archiwum Państwowe w Koszalinie. p. 177.
^Słownik geograficzny Królestwa Polskiego i innych krajów słowiańskich, Tom IX, Warsaw, 1888, p. 531 (in Polish)
^"Miesięczna suma opadu". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 9 January 2022. Retrieved 12 February 2022.
^"Liczba dni z opadem >= 0,1 mm". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 12 February 2022.
^"Średnia grubość pokrywy śnieżnej". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 12 February 2022.
^"Liczba dni z pokrywą śnieżna > 0 cm". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 21 January 2022. Retrieved 12 February 2022.
^"Średnia suma usłonecznienia (h)". Normy klimatyczne 1991-2020 (in Polish). Institute of Meteorology and Water Management. Archived from the original on 15 January 2022. Retrieved 12 February 2022.
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