Famous Birthdays
- Jan 5 Xu Xiake, Chinese geographer, born in Jiangsu, China (d. 1641)
- Jan 6 Gaspar de Guzman, Count of Olivares, Premier of Spain (1621-43), born in Rome, Italy (d. 1645)
- Jan 8 Johannes Fabricius, Danish astronomer (discovered sunspots), born in East Frisia, Germany (d. 1616)
- Jan 16 Alexander Adriaenssen, Flemish painter known for his still lifes of fish and game pieces, born in Antwerp (d. 1661)
