The Capitulation at Helsingfors (Russian: Капитуляция у Хельсингфорса; Swedish: Kapitulation vid Helsingfors) It was a military campaign in the summer of 1742, as a result of which the Russians were able to surround and then force the main forces of the Swedish army to capitulate.

In February 1742, the Russians terminated the previous armistice and again launched an offensive into Finland, the Swedish army made maneuvers, moving away from the battle, first from Friedrichgam, later from Borgo, where it was possible to destroy the Swedish army, but because of the fog, the latter successfully retreated.

[3][4] On August 11, the Swedes were cut off from a direct escape route, the fleet was considered weak enough, so it retreated without a fight and allowed the siege to be closed.

[5] The swedes planned to put up fierce resistance, but after the news of the fall of Neishlot, defeatist sentiments began to grow in the army,[6] at the same time Levenhaupt was recalled to Stockholm, his deputy Bousquet tried to carry out an attack, but the Russians managed to avoid a battle,[7] two day later he capitulated.

[8] After the surrender, most of the scattered troops returned to Sweden, 7,000 Fins surrendered to the Russians and were forced to accept their citizenship, as noted, the Russian cavalry acted almost flawlessly, and the case itself was one of the cleanest victories of the Russia.