Can you briefly talk about world war

World War I (often abbreviated as WWI or WW1), also known as the First World War or the Great War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918, The Wars were violent my great grandpa fought in the WW2 and he told a story that was past down 2 generations he told me everything or the story did it was sad he died in war and he will always be remembered not only in history but in my heart

b, public works good luck