Analysis of information sources in references of the Wikipedia article "Queen regnant" in English language version.
but Queen Seondeok was progressive. It taught me the difference between a wangbi, a queen by marriage to the king, and a yeowang, a female king,
Another important assumption has been that the rulers of Old Silla, as listed in the Samguk Sagi and Samguk Yusa, were men (kings), with the exception of Queen Seondeok (r. 632–646) and Queen Jindeok (r. 647–653), the two final Song'gol rulers, and Queen Jinseong (r. 887–896) of Unified Silla, who were called "female kings" (although the English language literature calls them queens), distinguishing between the king's consort and a ruler with intrinsic power.
During Japan's long history eight women have ruled as female emperor or josei tenno. An older term is empress or jotei. In English "empress" can mean either a reigning monarch or the wife of an emperor, but in Japanese there are separate words for each. The title bestowed on the emperor's wife is kogo.
