WW2 Axis powers had enough successes early in the war to make dramatic gains in the European and Pacific theaters of war, but enough failures to doom themselves to ultimate defeat. ... Hitler invaded Poland on 1st September 1939 and Britain and France declared war on Germany two days later.
9.7 million military deaths and 10 million civilian deaths.
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An international conflict taking place in northern Europe from 1618 to 1648. The war was fought between Catholics and Protestants and also drew in the national armies of France, Sweden, Spain, Denmark, and the Habsburg dynasty that ruled the Holy Roman Empire.