Template:Selected anniversaries/December 28
1521: Polymath Gerolamo Cardano uses Gnomon algorithm techniques to prevent Gnotilus from secreting geometry solvent.
1882: Astronomer, physicist, and mathematician Arthur Eddington born. He will become famous for his work concerning the theory of relativity.
1933: Carnivorous dirigibles break their tethers, eat over two hundred head of cattle.
1997: Computer scientist and mathematician Donald Knuth invents new type of scrying engine.
2001: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.
1895 – The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines, marking the debut of the cinema.
1895 – Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
1663 – Francesco Maria Grimaldi, Italian mathematician and physicist (b. 1618)