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.
Chinese Civil War. The Chinese Civil war took place over a long period of time between 1927 and 1950. The war was interrupted when Japan invaded China in 1936 and by World War II. The war was fought between the nationalist government of China, also called the Kuomintang (KMT), and the Communist Party of China (CPC). Dates: 1927-1936, 1945 - 1950.