20 December: today's birthdays

• ​Giulio Ciccone - Italian road racing cyclist
• Ashley Cole - English footballer
• Alain de Botton - Swiss writer, philosopher, journalist, and television presenter. He wrote Essays in Love, How Proust Can Change Your Life, and The Architecture of Happiness
• Jonah Hill - American actor, comedian, and screenwriter
• John Hillerman - American actor, born John Benedict Hillerman. He is best known for his role as Jonathan Quayle Higgins III on the television show Magnum, P.I.
• Kim Ki-duk - South Korean film director and screenwriter. He directed the film Un Certain Regard 
• Cora Sandel - Pen name of Sara Cecilia Görvell Fabricius, Norwegian writer
• Sion Sono - Japanese film director, screenwriter, author, and poet. He directed Suicide Club, Strange Circus, and Himizu
• John Spencer - American actor
• Jan Toorop - Dutch painter born in the Netherlands East Indies