Finland. Soviets attack the city of Viipuri from the South & East and also across the ice of Viipuri Bay, again reaching the western shore. However, they are slaughtered by shelling until the coastal batteries at Tuppuransaari run out of ammunition. The islands of Tuppuransaari and Teikarsaari are taken by the Soviets.
Britain and France request Sweden and Norway to allow passage of Allied troops going to Finland. The Allies still expect a formal request for assistance from Finland.
After traveling 3 weeks by train officially classified as "tourists going to ski-camp", Hungarian Volunteer Detached Battalion arrives in Finland at a training center in Lapua. They learn winter warfare and to ski. However, Soviet/Finnish peace treaty will be signed before they see action. http://en.wikipedia.org/wiki/Foreign_support_in_the_Winter_War#Hungary
Liner Queen Elizabeth leaves the Clyde allegedly going to Southampton escorted by destroyers HMS Mohawk, Punjabi, Fortune & Foxhound; in reality she heads to New York.
Battle of the Atlantic. A Heinkel 111H bombs British liner Domala and machineguns survivors escaping by lifeboat (108 lives lost, 183 survivors). The Dutch ship Jong Willem rescues 48 of the survivors and is also attacked.
Cruiser HMS Berwick stops German steamer Wolfsburg, disguised as Norwegian ship Aust, North of Iceland. Wolfsburg is scuttled and Berwick picks up 54 crew, finally sinking Wolfsburg with gunfire.
German steamer Heidelberg which left Aruba Feb 29 is intercepted by British cruiser HMS Dunedin 60 miles west. She is scuttled and Dunedin picks up 25 crew. The crews of Heidelberg and Troja will be detained in a British internment camp in Jamaica.