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https://civilization.com/news/entries/civilization-vi-tomyris-leads-scythiavv
https://en.wikipedia.org/wiki/Tomyris
http://www.blackhistoryheroes.com/2013/07/queen-amina-of-zaira-west-african.html
http://www.ancient-origins.net/history-important-events/zenobia-warrior-queen-palmyra-syria-002519
https://www.britannica.com/biography/Zenobia
http://biography.yourdictionary.com/amina-of-zaria
http://www.thehansindia.com/posts/index/Life-Style/2014-02-25/Rudrama-Devi-the-first-woman-ruler-of-Andhra-/87355
https://en.wikipedia.org/wiki/Rudrama_Devi
https://www.britannica.com/biography/Catherine-the-Great#toc99597main
http://www.biography.com/people/catherine-ii-9241622
https://www.britannica.com/topic/Trung-Sisters
http://www.newworldencyclopedia.org/entry/Trưng_Sisters
https://www.thoughtco.com/princess-olga-of-kiev-3529733
http://www.bbc.co.uk/history/historic_figures/boudicca.shtml
http://www.ancient.eu/Boudicca/
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https://en.wikipedia.org/wiki/Ching_Shih
http://www.ancient-origins.net/history-famous-people/queen-tamar-confident-female-ruler-georgian-golden-age-005815
http://althistory.wikia.com/wiki/Tamar_(Great_Empires)