24th February

On this day in 1987, a supernova in the outskirts of the Tarantula Nebula in the Large Magellanic Cloud occurred visible to the naked eye. It was the closest observed supernova since Kepler's Supernova in 1604, which occurred in the Milky Way itself.

The postage stamp of one of today's mathematicians at THIS LINK was issued in 2016.