No close family anniversaries. Born in Scania, Sweden (at the time part of Denmark), on this date in 1546: astronomer Tycho Brahe. He was the last of the “naked-eye astronomers,” working without benefit of telescopes. Most famous today for his influence on other astronomers such as Johannes Kepler.
= = =
Or, if you prefer the metaphysical, born in Provence, France, on this date in 1503: Michel de Nostredame, also known as the alchemist and seer Nostradamus.