The Battle of Poljana was the last battle of World War II in Europe. It took place on May 15, 1945. World War II was a truly global conflict with many facets: immense human suffering, fierce indoctrinations, and the use of new, extremely devastating weapons such as the atom bomb. ... Europe forms the westernmost part of Eurasia. ... May 15 is the 135th day of the year in the Gregorian Calendar (136th in leap years). ... 1945 (MCMXLV) was a common year starting on Monday (link will take you to calendar). ...