WWI vs WWII: Key Differences in Causes, Battles & Impact
World War I (1914-1918) was triggered by a web of alliances and the spark of Archduke Franz Ferdinand’s assassination; World War II (1939-1945) began when Nazi Germany invaded Poland after years of fascist expansion and global economic collapse. People blur the wars because both involve Germany, trenches, and massive casualties. Yet a grandparent who lived…