Historical Events
- Jan 7 Last day of the Julian calendar in Bohemia and The Holy Roman Empire
Gregory Conquers Julius Caesar
Jan 17 Bohemia adopts Gregorian calendar
- Jan 22 Parts of Switzerland adopt Gregorian calendar (& parts in 1812)
Famous Birthdays
Frederick Henry (1584-1647)
Jan 29 Prince of Orange and stadtholder of Holland, Zeeland, Utrecht, Guelders, and Overijssel (1625-47), born in Delft, Dutch Republic