Battle of Vistula Lagoon and the Poles and the Prussian Confederation seized the initiative in the Thirteen Years' War. The war itself ended with the signing of the Second Peace of Toruń in 1466 and the incorporation of Royal Prussia, including Gdańsk and Elbląg into Poland. The battle was first described by the contemporary Polish chronicler Jan Długosz. The battle is described in several works of historical fiction, among them "Znak Salamandry" ("Sign of the Salamander") by Jerzy Piechowski, "Skruszona Potęga" ("A Crumbled Power") by Kazimierz Traciewicz and "Bałtyckie Orły" ("Eagles of the Baltic") by Józef Wójcicki. Battle of Vistula Lagoon The Battle of
Kokkilai Lagoon Kokkilai Lagoon Kokkilai lagoon (; ) is an estuarine lagoon in Mullaitivu District and Trincomalee District, north-east Sri Lanka. The town of Kokkilai is located on a sand bar between the lagoon and the Indian Ocean. The lagoon is fed by a number of small rivers, including Churiyan Aru. It is linked to the sea by a narrow channel that is very often blocked by the sand bar. The lagoon's water is brackish. The lagoon is surrounded by a densely populated region containing cultivated land, scrubland and open forest. The land is used for prawn fishing, paddy cultivation and some