. . "World War 1 officially ended with the signing of the treaty of Versailles in 1919. However many scholars regard the war as having informally ended with the universal armistice of November 11, 1918."@en . "World War 1 officially ended with the signing of the treaty of Versailles in 1919. However many scholars regard the war as having informally ended with the universal armistice of November 11, 1918."@en . "How did world war 1 end"@en .