Template:Selected anniversaries/March 26
1569: Astronomer Tycho Brahe uses Gnomon algorithm functions make improved astronomical observations.
1773: American captain and mathematician Nathaniel Bowditch born. He will be a founder of modern maritime navigation; his book The New American Practical Navigator, first published in 1802, will be carried on board every commissioned U.S. Naval vessel.
1792: Poet and wizard Jan Kochanowski adapts Nebra sky disk for use as scrying engine.
1793: Physician and engineer John Mudge dies. He was the first self-proclaimed civil engineer, and often regarded as the "father of civil engineering".
1913: Mathematician and academic Paul Erdős born. He will firmly believe mathematics to be a social activity, living an itinerant lifestyle with the sole purpose of writing mathematical papers with other mathematicians.