Editing Gusev, Kaliningrad Oblast (section)

===18th and 19th centuries===
[[File:Кирха Зальцбургская.JPG|thumb|left|upright|Salzburg Lutheran Church]]
From the 18th century, it was part of the [[Kingdom of Prussia]]. Between 1709 and 1711 the area was devastated by the [[Great Northern War plague outbreak]]<ref name=sgk>{{cite book|author=<!--Staff writer(s); no by-line.--> |title=Słownik geograficzny Królestwa Polskiego i innych krajów słowiańskich, Tom II|year=1881|language=pl|location=Warszawa|pages=505–506}}</ref> and had to be redeveloped under the rule of the "Soldier King" [[Frederick William I of Prussia]], who granted Gumbinnen [[German town law|town privileges]] in 1724 and from 1732 resettled the area with [[Salzburg Protestants]], refugees from [[Archbishopric of Salzburg|Salzburg]], who had been expelled by Prince-Archbishop [[Count Leopold Anton von Firmian]].<ref>{{cite book|url=https://books.google.com/books?id=U8dBDwAAQBAJ&q=Firmian&pg=PA94|title=Salzburger, Ostpreußen - Integration und Identitätswahrung |first=George |last=Turner|date=August 2017 |publisher=BWV Verlag |isbn=9783830537878 |language=de}}</ref> From 1710, the French Reformed congregation was formed, whereas the German Reformed congregation was founded in 1739, and in 1808 the French congregation was incorporated into the German one.<ref>{{cite book|last=Gresch|first=Eberhard|title=Im Blickpunkt der Geschichte der Reformation: Evangelisch-Reformierte in (Ost-)Preußen|year=2012|pages=26–27|language=de}}</ref> The first [[filial church]] of the [[Salzburg Protestants]] was erected in 1752, and was rebuilt in 1840 in a [[Neoclassical architecture|Neoclassical]] style according to plans designed by [[Karl Friedrich Schinkel]]. The church was restored in 1995 by the [[Evangelical Lutheran Church in Russia, Ukraine, Kazakhstan and Central Asia]]. In 1810, a public library was opened.<ref name=sgk/>

From 1815, Gumbinnen was the capital of [[Gumbinnen (region)|Regierungsbezirk Gumbinnen]], an administrative district of the [[Province of East Prussia]], and became part of the [[German Empire]] upon the [[unification of Germany]] in 1871. In 1860 the Prussian State railway line from [[Königsberg]] to Stallupönen (now [[Nesterov]]) was built and the route passed through Gumbinnen, causing the town to grow in economic importance in the region. By the end of the 19th century, Gumbinnen had a [[foundry]], a machine shop, a furniture factory, a clothing mill, two [[sawmills]], several [[brickworks]], and a [[Dairy farming|dairy]].