Some wars are just inevitable! WWI was one! Did you know four empires collapsed after WWI: Ottoman, Austro-Hungarian, German, and Russian? Or that World War I was also known as the Great War, the World War, the War of the Nations, and the War to End All Wars. There are so many interesting facts about WWI and we made sure to include them! Did we miss something? Let us know our interactive community is set up for correction, and verification. As always! Have fun learning! Team FactPacker!