1.Yes, my grandfather participated in the second world war.He came back alive, but he was badly injured. In the war he fell on a mine so he returned without a leg. 2. About 20 million people died in the second world war. 3. The second world war is differently called the Great Patriotic war. 4. The great Patriotic war began in 1941 on June 22 and ended in 1941, may 9. 5. Yes, Russia is a champion of the UN.