Template:Selected anniversaries/April 16
1495: Mathematician and astronomer Petrus Apianus born. His work on cosmography, Astronomicum Caesareum (1540) and Cosmographicus liber (1524), will be extremely influential in his time, with the numerous editions in multiple languages being published until 1609.
1958: Chemist and X-ray crystallographer Rosalind Franklin dies. She made contributions to the discovery of the molecular structure of DNA (deoxyribonucleic acid).
1958: Combat physician and alleged time-traveller Asclepius Myrmidon prevents Colonel Zersetzung from detonating the Tybee Bomb.
1958: The United States military announces that the search for hydrogen bomb known as the Tybee Bomb was unsuccessful.
1962: Brainiac Explains lecture series explains why Colonel Zersetzung failed to detonate the Tybee Bomb.
2008: Mathematician Edward Lorenz dies. He introduced the strange attractor notion, and coined the term butterfly effect.
2008: Lorenz system diagram says it "owes everything to Papa Lorenz."
2017: Math photographer Cantor Parabola attends Minicon 52, taking a series of photographs with temporal superimpositions from Minicons 51 and 53.
Signed first edition of Red Spiral 3 sells for $150,000 in charity auction to benefit victims of crimes against mathematical constants.