(1453) German doctor, astronomer and astrologer Johannes Engel is born. Along with practising medicine, he is known for writing calendars and planetary tables.
(1830) German physician, anatomist, anthropologist, paleontologist and inventor Samuel Thomas von Sömmerring is born. He is known for his discovery of the macula, a part of the human eye responsible for sharp central vision.
(1842) Danish brewer Carl Jacobsen is born. The beer brand Carlsberg is named after him.