kira+o'reilly



When did World War Two end? The War ended in the summer of 1945. It is estimated that 50 million people lost their lives during World War 2. Why did the Second World War start? The Second World War was started by Germany in an unprovoked attack on Poland. Britain and France declared war on Germany after Hitler had refused to abort his invasion of Poland. When did World War 2 begin? World War 2 in Europe began on the 3rd of September 1939, when the prime minster of Britain Neville chamberlain, declared war on Germany. It involved many of the countries in Europe.