Empress dowager (also dowager empress or empress mother; Chinese and Japanese: 皇太后; pinyin: huángtàihòu; rōmaji: Kōtaigō; Korean: 황태후 (皇太后); romaja: Hwang Tae Hu; Vietnamese: Hoàng Thái Hậu (皇太后)) is the English language translation of the title given to the mother or widow of a Chinese, Japanese, Korean, or Vietnamese monarch in the Chinese cultural sphere.
In the complex organization of the Japanese Imperial Court, the title of "empress dowager" does not automatically devolve to the principal consort of an Emperor who has died.
The following were among the individuals who were granted this imperial title: Adelaide of Italy was Holy Roman Empress by marriage to Emperor Otto the Great and was crowned alongside him in 962.
The same thing happened decades later when Emperor Alexander III died, and the Dowager Empress Maria Feodorovna (Dagmar of Denmark) held precedence over Empress Alexandra Fyodorovna (Alix of Hesse), which put an enormous strain on their already tense relationship.
Her son, her grandson and her great-grandson all died before their wives, and their widows were known as Empresses dowager in this Indian context.