Tag: King João I/ King John I of Portugal

Articles

“Vir sapiens dominabitur astris”. Astrological knowledge and practices in the Portuguese medieval court (King João I to King Afonso V)

Offers a brief explanation on the foundations of medieval astrology. Astrology reveals itself as a complex body of knowledge, with specific rules and methods. Its principles were based on the natural movement of the celestial bodies: the rising and setting of the Sun, the sequence of the seasons, the phases of the Moon.