Wallpaper commemorating the Victory Day 9-th of May, after the unconditional surrender of Nazi Germany at the end of Second World War (1941-1945), known as the Great Patriotic War in the former Soviet Union. World War II which broke out when Nazi Germany invaded Poland on September 1, 1939, was the bloodiest war of the mankind, only Russia lost over 26 million people. Many other nations in Europe, United Kingdom, China, Japan and United States were affected by the events during WWII.