Submarine Vetehinen makes a surface attack on a 7 ship convoy shooting both bow and stern torpedoes. Enemy artillery fire was heavy, no hits on either side. On Finlands Independence Day, Britain declares war against Finland. Island in Gulf of Finland in a surprise attack over ice. The spring thaw melts enough of Lake Ladoga to close the ice road used to supply Leningrad.
Finnish army offers drinks to men .
Argo sunk at Bogsk r by sub. Shtsh 317 . Soviet attempt to capture the island fails after heavy land, naval and air fights. Ruotsinsalmi and Patrol Boat VMV 16 sink enemy sub. Shtsh 317 at Kallb dagrund by depth charges.