- Dec 1 Robert Irwin, Australian TV personality and photographer, born in Buderim, Australia
- Dec 7 Princess Catharina-Amalia of the Netherlands, eldest child of King Willem-Alexander and Queen Máxima, born in HMC Bronovo, The Hague, Netherlands
About December 2003
How Old? 20 years old
Generation: Generation Z
Leap Year: No
Chinese Zodiac: Goat/Sheep
Star Signs: Sagittarius (Nov 22 - Dec 21), Capricorn (Dec 22 - Jan 19)
Greatest Generation
Silent Generation
Baby Boomer
Generation X
Millennial
Generation Z