Ww1

https://www.history.com/topics/world-war-i/world-war-i-history
World War I started in 1914 after the assassination of Archduke Franz Ferdinand and ended in 1918 During the conflict the countries of Germany Austria Hungary Bulgaria and the Ottoman Empire

https://www.britannica.com/event/World-War-I
World War I an international conflict that in 1914 18 embroiled most of the nations of Europe along with Russia the United States the Middle East and other regions The war pitted the Central Powers mainly Germany Austria Hungary and Turkey against the Allies mainly France Great Britain Russia Italy Japan and from 1917

https://en.wikipedia.org/wiki/Causes_of_World_War_I
Causes of World War I European diplomatic alignments shortly before the war The Ottomans joined the Central Powers shortly after the war started with Bulgaria joining the following year Italy remained neutral in 1914 and joined the Allies in 1915 Map of the world with the participants in World War I c 1917

https://www.history.com/topics/world-war-i
For four years from 1914 to 1918 World War I raged across Europe s western and eastern fronts after growing tensions and then the assassination of Archduke Franz Ferdinand of Austria ignited

https://ro.wikipedia.org/wiki/Primul_Război_Mondial
R zboiul cel Mare R zboiul Na iunilor denumit n timpul celui de Al Doilea R zboi Mondial Primul R zboi Mondial a fost un conflict militar de dimensiuni mondiale A fost un r zboi global declan at n Europa care a durat de la 28 iulie 1914 p n pe 11 noiembrie 1918 la care au participat peste 70 de milioane de militari

https://www.britannica.com/summary/Causes-and-Effects-of-World-War-I
Causes Over the course of the 19th century rival powers of Europe formed alliances Germany Austria Hungary and Italy formed the Triple Alliance Great Britain France and Russia formed the Triple Entente Political instability and competition threatened those alliances Italy for example eventually entered World War I in opposition to

https://www.nationalgeographic.com/culture/article/world-war-i
Aided by the United States the Allies finally broke through with the Hundred Days Offensive leading to the military defeat of Germany The war officially ended at 11 11 a m on November 11 1918

https://www.britannica.com/summary/Key-Facts-of-World-War-I
World War I 1914 18 also called the First World War or Great War was the most deadly and destructive war the world had ever seen to that time On June 28 1914 Austrian Archduke Franz Ferdinand and his wife were assassinated by a Bosnian Serb nationalist leading Austria Hungary to declare war on Serbia on July 28

https://en.wikipedia.org/wiki/Timeline_of_World_War_I
Dates Theater Front Campaign Events June 28 Politics Assassination of Archduke Franz Ferdinand heir to the Austro Hungarian throne who was killed in Sarajevo along with his wife Sophie Duchess of Hohenberg by Gavrilo Princip a Bosnian Serb July 5 Politics Austria Hungary seeks German support for a war against Serbia in case of Russian