Throughout history, specific stars and planetary positions have been interpreted as omens of war. Variations in brightness, sudden appearances, or alignments of celestial bodies—particularly Mars, traditionally the planet of war—have been used to predict the outbreak of conflict, the fall of rulers, or the rise of empires. The idea was that the heavens reflected and foreshadowed terrestrial events, especially those affecting nations and their leaders.

Fixed stars with violent reputations, such as Algol (associated with destruction and chaos), were closely monitored in ancient and medieval astrology. When Mars or these stars rose visibly in the night sky or aligned with political figures’ birth charts, astrologers interpreted them as signs of imminent strife. In some courts, astrologers held considerable influence over the timing of military actions and diplomatic decisions.