User: Tell me about the history of World War
Assistant: World War I was a global war that began in 1914 and lasted until 1918. It affected many countries and regions around the world, including Europe, North America, the Middle East, Russia, India, and China. It was originally triggered by the assassination of Archduke Franz Ferdinand of Austria, who was heir to the Austro-Hungarian Empire, and included a series of confrontations between the Central Powers of Europe (led by Austria-Hungary, Germany, Bulgaria, and the Ottoman Empire) and the Allied Powers of Europe (consisting of the United Kingdom, France, Italy, Romania, Japan, and the United States). World War I saw the first use of a wide range of modern weaponry, such as tanks, chemical weapons, and submarines. Over 16 million people were killed during the course of the war and its aftermath, making it one of the deadliest conflicts in history. The war also led to the creation of the League of Nations and the signing of the Treaty of Versailles in 1919, which officially ended the war and set new borders for many European countries. Despite efforts to keep the peace, World War II broke out just two decades later, in 1939.