Prussia and France fought for the unification of Germany and the hegemony of continental Europe. 1870 to 187 1, the Franco-Prussian War broke out. The war ended with the defeat of France, the victory of Prussia and the establishment of the German Empire. However, the Franco-Prussian armistice was extremely harsh, and France ceded territory to pay reparations, which made Germany and France hate it. This is the historical origin of the outbreak of the First World War.

The main content of the first world war:

19 14 was the first stage of the war. This year, according to the Schrieffen plan made before the war, the Germans first launched a large-scale attack on the western front. Due to the fierce resistance of French, British and Belgian troops in the Battle of the Marne River and the Russian attack on the Eastern Front, the German quick war plan went bankrupt. The two sides in the western front fought in trenches, confronted each other for a long time and turned to positional warfare.

1915 ~1916 was the second stage of the war. As both sides regarded 19 16 as a decisive year, three large-scale land wars occurred this year, namely, the Battle of Verdun on the western front, the Battle of the Somme on the eastern front and the Russian summer offensive. At sea, after the Jutland naval battle, Britain still firmly controlled the sea power. At this stage, the strategic initiative of the war was transferred to the side of the allies.

1917 ~1918 is the third stage of the war. 19 17 years, the United States participated in the war against Germany, and China and other countries also participated in the war one after another. The number of allies increased to 27, and Russia broke out the "February Revolution" and "October Revolution" and withdrew from the imperialist war. 191811In June, Germany declared its surrender, and the First World War ended in the defeat of the Allies.

The background of the Second World War:

Capitalist economic crisis:1929-1933 The capitalist economic crisis has dealt a heavy blow to capitalist countries. The crisis was fierce and lasted for five years. It quickly spread from the United States to the whole capitalist world, causing serious damage to the capitalist world economy. People often describe this crisis as "Great Depression" and "Great Crisis".

The rise of fascist forces:1At the end of the 1920s, the turmoil brought by the Great Depression in western countries made fascism develop viciously. The Nazi Party quickly expanded into the largest party in Germany.

The main content of the second world war:

Wars raged in Europe, Asia, Africa and Oceania. The war is divided into two major battlefields, namely, Europe and North Africa and Asia-Pacific battlefields.

1September 1939 to1September 2, 1945, with axis countries such as fascism in Germany, Italy and Japan and servant countries such as Bulgaria, Hungary and Romania as one side, and anti-fascist alliances such as China, the United States, Britain and the Soviet Union as allies.

From Europe to Asia, from the Atlantic Ocean to the Pacific Ocean, there are 6/kloc-0 countries and regions, and more than 2 billion people are involved in the war, with a combat area of 22 million square kilometers. According to a few statistics, more than 70 million soldiers and civilians were killed or injured in the war, and more than 4 trillion dollars were wasted.

World War II ended with the United States, the Soviet Union, China, Britain, France and other anti-fascist countries and the people of the world defeating the fascist aggressors and winning world peace.