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.
Spanish-American War. The Spanish-American War took place in 1898, and resulted in the United States of America gaining control over the former colonies of Spain in the Caribbean and Pacific. For several centuries Spain's position as a world power had been slipping away.panish-American War. The Spanish-American War took place in 1898, and resulted in the United States of America gaining control over the former colonies of Spain in the Caribbean and Pacific. For several centuries Spain's position as a world power had been slipping away.