The First World War, Reason of first world war
The First World War The First World War, also known as the Great War, was a global conflict that lasted from 1914 to 1918. It involved the major world powers of the time, divided into two opposing alliances: the Allies (led by France, Russia, and the United Kingdom) and the Central Powers (led by Germany, Austria-Hungary, and the Ottoman Empire). The war began on July 28, 1914, when Austria-Hungary declared war on Serbia, and quickly spread across Europe as other countries joined the conflict. The war was characterized by trench warfare, with soldiers living in muddy and disease-ridden trenches for weeks or even months on end. The war resulted in an estimated 8.5 million military deaths and 7 million civilian deaths, as well as countless injuries and displacements. It also led to significant changes in the political and social landscape of Europe, including the collapse of empires and the rise of new nations. The Treaty of Versailles, signed in 1919, officially ended the war and ...