Note that it is not the value in each field in the primary key that must be unique, but it is the combination of values in all fields that make up the primary key. The C/SIDE database system does not support tables that do not have any keys.
Spanish Civil War ('36-'39). The outbreak of civil war in Spain in 1936 was viewed in Europe and the United States as an ideological struggle between the forces of fascism, led by General Francisco Franco, and the forces of republicanism, called Loyalists.
The Spanish-American War. by David Trask. Between 1895 and 1898 Cuba and the Philippine Islands revolted against Spain. The Cubans gained independence, but the Filipinos did not. In both instances the intervention of the United States was the culminating event.