First world war is The Great War that began in Europe on July 28, 1914

 World War I:

World War I, World War I or The Great War, was a global war that began in Europe on July 28, 1914, and lasted until November 11, 1918. Another 70 million military personnel including 60 million Europeans joined the war and it was one of the largest wars. In history. It was one of the bloodiest conflicts in history and caused major changes in the policies of the countries involved. Revolution also started in many countries.

On June 18, 1914, Austrian Archduke Franz Ferdinand was shot dead by a Serb in Sarajevo, the capital of Bosnia. Austria-Hungary blamed Serbia for the genocide and declared war on Serbia on 28 July of that year. Friendly countries of both countries gradually intervened in this war. All the economically powerful countries of the time joined it. Thus began World War I (1914-1918). But the assassination of the Crown Prince of Austria was not the only cause of World War I. The Industrial Revolution of the 19th century led to colonialism competing over the ease of gathering raw materials and selling manufactured goods, and previous conflicts also led to the First World War. First World War. One side in World War I was the Ottoman Empire, Austria-Hungary, Germany and Bulgaria. They were called Central Powers. On the other side were Serbia, Russia, UK, France, Japan, Italy, Romania and USA. Who were called allies.

cost:

The Great War cost US$186 billion directly and US$151 billion indirectly. It was more than any war cost.

Result of war:

A memorial to soldiers of the 49th Bengal Regiment, who died in World War I, on College Street, Calcutta.

World War I killed 9 million combatants and 12 million innocents. About 1 million soldiers and 21 million civilians were wounded, including 165,160 in the United States. The fall of the four empires. The Romanov Empire or Russian Empire in 1917, the German and Austro-Hungarian Empires in 1918, and the Ottoman Empire in 1922. Austria, Czechoslovakia, Estonia, Hungary, Latvia, Lithuania and Turkey became independent countries. Most of the Arab lands under the Ottoman Empire came under the British and French Empires. In 1917 the Bolsheviks came to power in Russia and in 1922 the Fascists came to power in Italy. Another consequence of this war is that influenza kills 50 million people worldwide.