Mezue nkebi ahịrịokwu a: N'afọ 1790, Eze Gustav nke Atọ nke Sweden maliteghachiri atụmatụ ya nke ịkwada ụgbọ mmiri ya n'ebe dị nso na St. Petersburg, nke ugbu a ọ bụ na nso Viborg. Ma atụmatụ ahụ kụrụ afọ n'ala n'ọdachi nke e ji wakpo ụgbọ mmiri ndị Russia n'Agha Reval na May 13. A.
mwakpo ọzọ a wakporo ụgbọ mmiri ndị Russia na Kronstadt na mbido ọnwa Juun kụrụ afọ n'ala, ụgbọ mmiri ndị Sweden na "archipelago fleet" ("skärgårdsflottan") laghachiri na Vyborg Bay.