Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence; the war ends along with the Spanish–American War in 1898.

In political science, a revolution is a rapid, fundamental transformation of a society's class, state, ethnic, or religious structures. According to the sociologist Jack Goldstone, all revolutions contain "a common set of elements at their core: (a) efforts to change the political regime that draw…