well i would like to say that it started in the 20th century probabaly after 1930 and before 1990
September 2, 1939.
Germany invaded Poland against British and French demands on September 1, 1939. Britain and France in turn declared war September 3, 1939.
6 years the actual war was it was 1939-1945 but the Germans were starting to cause mischeif in the early 1930's
1939 - 1945
September 1, 1939 was the official beginning of World War 2.
September 1, 1939
The date has been fixed at September 1st 1939, the day that Germany invaded Poland.
September 1939 is the month the historians use as the beginning of World War 2.
Germany invaded Poland on September 1, 1939. This event marked the de-facto beginning of World War II.
1 September 1939. After Germany invaded Poland. France and the United Kingdom thereby declared war on Germany, signalling the beginning of the Second World War.
France
FDR
1939
Neutral
The dropping of the Atomic Bombs was considered the beginning of the end of World War 2. It did motivate Emperor Hirohito to surrender.
world war 2 ended in 2 September 1945.