The war of 1914-1918 (WWI) resulted, in France by a loss of approximately 2,850,000 inhabitants including 1,350,000 deaths of soldiers.
Those soldiers in 1914 were over 20 years old and would have been over 55 in 1950; this explains the disparity between the male and female population in 55 to 70 years old age in France in 1950.
The Second World War was the event that shook the world in those years. France was a country involved in the conflict and the forces of the axis caused many deaths between 1939 and 1945. Many of those deaths were men, regardless of age. For this reason, there is clearly a general decline of men in the pyramid population of France in the 50s.
The concept of Hundred days became famous in the United States when Franklin Roosevelt became the president in 1933. He has taken the stiff measures against the financial problem prevailing in the country and 15 legislative pieces were passed between March 9 and 16 June, which became the part of his New Deal program and the period is remembered as Hundred Days.
The Japanese attack on Pearl Harbour in December 1941, was designed to knock out the American fleet in the Pacific. The Japanese felt the Americans did not have the resolve for a protracted war and would sue for peace
