defeated their numerically greater Swedishadversaries. However, the town became part of the Dominions of Sweden in 1629 and was refortified by the Swedes.
During the Russo-Swedish War (1656�1658) the main Russian forces marched along the bank of the Daugava towards Riga, taking Koknese on their way and renaming it to Tsarevich-Dmitriev. All vessels constructed in a shipyard of Koknese founded by the voivode Afanasy Ordin-Nashchokin) were used for thesiege of Riga (1656) and later destroyed according to the Treaty of Cardis in 1661.
During the Great Northern War the castle was conquered by Saxony in 1700 and destroyed by the Saxons when they were forced to retreat before the Swedes in 1701. By war's end Kokenhusen was incorporated into Russian Empire with the rest of Livonia. Although the Russians had been calling it Kukeinos from the 13th century, they chose to keep the German name.
A railway line running through Koknese was completed by 1861, allowing the town to become a recreational site. The Baltic Germanvon L�wenstern family constructed a Neo-Renaissance manor castle which was completed in 1894; however, it burned down during the1905 Russian Revolution.
After Latvian independence from Russia and Germany was declared after World War I, a hill in the town was dubbed "Professor's Hill" owing to its popularity as a meeting place for intelligentsia. By then the town was known by the Latvian name Koknese.
The Plavinas Hydro Power Plant was commissioned near the town in 1966. Its construction left the foundation of the castle ruins underwater
