World War II also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between ..
The second world war was a global war
The immediate cause was Britain and France declaring war on Germany after it invaded Poland in September 1939. Problems arose in Weimar Germany that experienced strong currents of revanchism after the Treaty of Versailles 
The war directly involved more than 100 million people globally
The Allies (mainly Britain, France, US) won WW1 which happened from 1914-1919. Germany was the main loser, along with Austria - Hungary, The Ottoman Empire
It was the deadliest of human conflict and wars in history
Explore a detailed timeline of World War Two - the causes, events, soldiers and its aftermath. Discover facts about what happened during the most destructive ..
World War II
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945. The vast majority of the world's countries—including all the great powers—eventually formed two opposing military alliances: the Allies and the Axis. A state of total war emerged, directly involving more than 100 million people from over 30 countries. The major participants threw their entire economic, industrial, and scientific capabilities behind the war effort
Republic of China World War II.
The Second World War was a global military conflict that took place in 1939–1945. It was the largest and deadliest war in history, culminating in the Holocaust and ending with the dropping of the atom bomb.
Even though Japan had been invading in China since 1937, the conventional view is that the war began on September 1, 1939, when Nazi Germany invaded Poland, the Drang nach Osten. Within two days the United Kingdom and France declared war on Germany, even though the fighting