Earth’s rotational axis, Thuban was the naked-eye star closest to the north pole from 3942 BC, when it superseded Tau Herculis as the pole star, until 1793 BC, when it was superseded by Kappa Draconis.citationWikipedia contributors. (2024, January 3). Thuban. In Wikipedia, The Free Encyclopedia. Retrieved January 28, 2024, from https://en.wikipedia.org/w/index.php?title=Thuban&oldid=1193332905fromThuban (Wikipedia)tagsThubanprecessionEarthTau HerculisKappa Draconis