According to the International Encyclopedia of the First World War, it was the Mexican Revolution of 1914-1918 that left its mark on history rather than the First World War. Although Mexico maintained its neutrality in WWI, Mexico was a hidden theatre of war.

Between 1914 and 1918, state actors in Germany, Great Britain, and the United States defined their policies towards Mexico and its nationalist revolution with a view not only to improve their respective economic interests but also to influence the course of the world war. Read the complete article: 1914-1918-Online-mexican_revolution-2016-03-07

The event is celebrated throughout Mexico will parades and festivals.