WAdelperga was a Lombard noblewoman, Duchess of Benevento by marriage to Arechis II of Benevento. She acted as regent of Benevento for her son Grimoald in 787-788. She was the third of four daughters of Desiderius, King of the Lombards, and his wife Ansa. Her elder sister Desiderata was a wife of Charlemagne.
WCamadevi was the first ruler of Hariphunchai, which was an ancient Mon kingdom in the northern part of Thailand today.
WEmpress Genmei , also known as Empress Genmyō, was the 43rd monarch of Japan, according to the traditional order of succession.
WIrene of Athens, surnamed Sarantapechaina (Σαρανταπήχαινα), was Byzantine empress by marriage to Emperor Leo IV from 775 to 780, regent during the minority of their son Constantine VI from 780 until 790, co-regent from 792 until 797, and finally sole ruler and first empress regnant of the Byzantine Empire from 797 to 802. A member of the politically prominent Sarantapechos family, she was selected as Leo IV's bride for unknown reasons in 768. Even though her husband was an iconoclast, she harbored iconophile sympathies. During her rule as regent, she called the Second Council of Nicaea in 787, which condemned iconoclasm as heretical and brought an end to the first iconoclast period (730–787).
WEmpress Kōken , also known as Empress Shōtoku , was the 46th and the 48th monarch of Japan, according to the traditional order of succession.
WLady Eveningstar or Lady Ikʼ Skull (704-751), was a Maya queen and possible regent, wife of Itzamnaaj Bʼalam II, a Maya king of Yaxchilan. Their son, Yaxun Bʼalam IV - "Bird Jaguar", succeeded his father as king. She was possibly a regent for a period.
WPlectrude was the consort of Pepin of Herstal, the mayor of the palace and duke of the Franks, from about 670. She was the daughter of Hugobert, seneschal of Clovis IV, and Irmina of Oeren. She was the regent of Neustria during the minority of her grandson Theudoald from 714 until 718.
WScauniperga, was a duchess of Benevento. She was the mother of Liutprand of Benevento, and reigned by his side from 751 to 756.
WLady Six Sky, also known as Lady Wac Chanil Ahau or Wak Chanil Ajaw, was a Maya queen of Naranjo who was born in Dos Pilas. She lived in Naranjo from 682 to her death in 741. During that time, she at least once and probably twice served as de facto ruler of the city; however, monuments such as Stela 24 suggest she was never formally recognized as such, since she continued to use the emblem glyph of Dos Pilas throughout her life.
WWu Zhao, commonly known as Wu Zetian, alternatively Wu Hou, and during the later Tang dynasty as Tian Hou, was the de facto ruler of China, first through her husband the Emperor Gaozong and then through her sons the Emperors Zhongzong and Ruizong, from 665 to 690. She subsequently became empress regnant of the Zhou dynasty (周) of China, ruling from 690 to 705. She is notable for being the only female monarch in the history of China.