World War II marked by 50 to 85 million fatalities, most of whom were civilians in the Soviet Union and China. It included massacres, the genocide of the Holocaust, strategic bombing, premeditated death from starvation and disease, and the only use of nuclear weapons in war. Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937, though neither side had declared war on the other. World War II is generally said to have begun on 1 September 1939, with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom. From
Scuba diving fatalities It is common for the more experienced diver to lead, and also common for the follower not to remain in a position where he can easily be monitored, so the follower may only get intermittent attention and may be inconveniently situated when something goes wrong. By the time the lead diver notices the absence of the buddy it may be too late to assist. In a minority of cases the buddy was present at the time of death. In 1% of cases the buddy died attempting rescue. 4% of fatalities were associated with failed buddy breathing. In a study of