Famous Birthdays
- Johannes Isacius Pontanus, Dutch teacher and historian (1st history of Amsterdam), born at sea off the coast of Helsingør, Denmark (d. 1639)
About January 21, 1571
Calendar: Julian
Day of the Week: Sunday
How Long Ago? 453 years, 6 months and 11 days
Leap Year: No
Star Sign: Aquarius
