Germany started World War II when it invaded Poland in 1939
In the Battle of Britain, Germany used bombs to attack Great Britain
In the early stages of World War II, Germany demonstrated immense military power
The Second World War was a war conflict that occurred in the first half of the 20th century, involving more than seventy nations, opposing the Allies to the Axis Powers. The war began on September 1, 1939 with the invasion of Poland by Germany and the subsequent declarations of war by France and Great Britain, extending until September 2, 1945.
This war mobilized more than 100 million military personnel, and resulted in the death of approximately seventy million people (approximately 2% of the world population at the time), most of whom were civilians. It is considered the biggest and bloodiest conflict in the entire history of mankind.
The main nations that fought for the Axis were: Italy, Japan and Germany. Those who fought for the Allies were especially: France, Great Britain, the United States and the Soviet Union.
The war ended with the surrender of the Axis nations, followed by the creation of the UN (United Nations), the beginning of the Cold War between the United States and the Soviet Union (which emerged from the conflict as world superpowers) and the acceleration of the process decolonization of Asia and Africa.