What connects the fate of the individual with that of their fellow human beings? According to which astrological patterns do we come together as a state, association, business, or travel group? What astrologically significant event leads to the emergence of a state, a city, or a company? How can one find the radix horoscope of a ship, a bridge, or a town hall? The author guides you through the multitude of these questions regarding the sources of mundane astrological interpretation. He also addresses the interactions among the various communities of fate. Discover the invisible codes of human action in the world. Transits over the horoscopes of political and technical events reveal the indelible marks that humanity has left for future generations. Numerous examples from all areas of society illustrate this.