Gottfried Wilhelm Leibniz was born on July 1, (which was June 21, Old Style), 1646 and died in 1716. He was a German philosopher, mathematician, and political adviser, important both as a metaphysician and as a logician. His prominent place in the history of mathematics is due to his invention of the differential and… Read More Leibniz

Franklin’s kite

   Franklin’s kite   15 June 1752: this is the traditional date for Benjamin Franklin’s kite experiment (the exact date is unknown), which proved that lightning is electricity At the time electricity wasn’t “useful” yet, but it was just used for amusement. It was a polite entertainment for ladies and gentlemen who enjoyed creating  sparks… Read More Franklin’s kite

June 9, 1537: Sublimis Deus

On 9 June 1537 Pope Paul III unequivocally declared that Native Americans were rational beings with souls, “truly men” with the qualities and faults of other humans, and not beasts, therefore they should not be reduced to slavery (papal bull Sublimis Deus =The Sublime God)

May Day

May 1, also called May Day, or Labour Day, is a public holiday, associated to the start of spring, and  the celebration of the International Workers’ Day or Labour Day. May Day was an ancient pagan festival celebrating spring and the rebirth taking place in nature. The Romans honoured Maia and Flora, the goddesses of flowers,… Read More May Day