Sweden The crossing the Gulf of Bothnia, specifically Kvarken (Swedish: korsar Bottenviken; Russian: Переход через Кваркен), was a march of Russians through Kvarken, Gulf of Bothnia, to the territory of Sweden at Umeå.

In the middle of February 1809 followed the appointment of Lieutenant General Michael Andreas Barclay de Tolly as commander of the Vasa Corps, who pushed forward preparations for the campaign.

On March 6 an order was read at the assembly point, in which Barclay, without concealing the labours to come, expressed his confidence that "for Russian soldiers the impossible does not exist.

The troops had to abandon their artillery halfway due to the inability to quickly transfer it across the ice.

[3] Alexander I personally presented individual unique awards [ru] to each participant of the campaign.