Mezue ahịrịokwu na-esonụ: Onyeisi ụgbọ mmiri icebreaker mbụ bụ (1875<unk>1931). Mgbe ọ nwụsịrị, Captain Fricis Veidners (1883<unk>1942) na Pēteris Maurītis (1887<unk>?) nọchiri ya. Mgbe ndị Soviet weghaara Latvia na 1940, e mere ka ụgbọ mmiri ahụ bụrụ nke mba. Na ngwụcha Ọgọstụ 1941, "Krišjānis Valdemārs" sonyere na
Ndị Soviet kpọpụrụ Tallinn gaa Kronstadt, mana kụrụ ogbunigwe ụgbọ mmiri na August 28 wee mikpuo. "Krišjānis Valdemārs", bu ibu, ka ndị ụgbọelu Junkers Ju 88 nke Kampfgeschwader 77, Luftwaffe tụrụ bọmbụ ma mikpuo ya na Ọwara Oké Osimiri Finland.