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 prolonged ascent time. Other environmental factors cited as contributory to fatalities include caves, marine animal injury (including shark and other animal bites, and marine stings, difficulties entering and exiting the water, cold, entanglements, entrapment, and night diving. The DAN fatalities workshop of 2011 found that there is a real problem that divers do not follow the procedures they have been trained in, and dive significantly beyond their training experience and fitness levels, and that this the basic cause of most accidents. In litigation involving diving accident, the legal panel reported that 85% to 90% of the cases were attributable to