For USA, the Spanish American War 1898
They were both wars
120 million
1933 between the wars
FDR was paralyzed by Polio in the 1920s between the two world wars.
Both were total wars that involved countries' entire populations.
World war 1 was the war to end all wars
War to end all wars
both wars
its war
World War 1
Yes world war 1 was suppose to put an end to all wars.
Crimean War, Seven Weeks War, Franco-Prussian War, Russo-Turkish War, Russo-Japanese War, and Balkan Wars