Historically, instances like this have been incredibly rare, with debates on occurrences such as the Indian Rebellion of 1857, see: /FranklinBaldo/has-there-ever-been-a-war-between-t

As the world progresses and more women ascend to leadership positions, this market explores the possibility of such a historical event occurring before the end of the 21st century.

This market will resolve to "Yes" if, at any point before December 31, 2099, a war is declared between two sovereign nations both led by female. The war must be recognized as a state of armed conflict between the countries. If no such event occurs by this date, the market will resolve to "No."