events
World War I: A new Polish government in western Galicia is established, triggering the Polish–Ukrainian War.
Related Wikipedia articles
World War I
1914–1918 global conflict
World War I or the First World War, also known as the Great War, was a global conflict between two coalitions: the Allies and the Central Powers. Main areas of conflict included Europe and the Middle East, as well as parts of Africa and the Asia-Pacific. There were important…Source: Wikipedia (CC BY-SA)
Polish–Ukrainian War
1918–19 conflict between the Second Polish Republic and Ukrainian forces
The Polish–Ukrainian War, from November 1918 to July 1919, was a conflict between the Second Polish Republic and Ukrainian forces.Source: Wikipedia (CC BY-SA)