Lustrum republic. The time when the lustrum took place has been calculated. Six ancient Romulian years, of 304 days each, were, with the difference of two days, equal to five solar years of 365 days each, with one leap year of 366 days; or the six ancient years made 1824 days, while the five solar years contained 1826 days. The lustrum, or the great year of the ancient Romans, was thus a cycle, at the end of which, the beginning of the ancient year nearly coincided with that of the solar year. As the coincidence, however, was not perfect, a month
How many angels can dance on the head of a pin? How many angels can dance on the head of a pin? The question "How many angels can dance on the head of a pin?" (alternatively ""How many angels can stand on the "point" of a pin?"") is a reductio ad absurdum of medieval scholasticism in general, and its angelology in particular, as represented by figures such as Duns Scotus and Thomas Aquinas. It is first recorded in the 17th century, in the context of Protestant apologetics. The question has also been linked to the fall of Constantinople, with the imagery of scholars debating about minutiae while the Turks besieged the