17 January: today's birthdays

• Muhammad Ali - Pseudonym of Cassius Clay, former American professional boxer, one of the greatest in the world. The Greatest was his nickname
• Pablo César Barrientos - Argentine soccer player
• Cheryl Bentyne - American singer
• Anne Brontë - English writer and poet, the sister of Emily Brontë and Charlotte Brontë. She wrote Agnes Grey and The Tenant of Wildfell Hall.
• Al Capone - American criminal of Italian descent
• Jim Carrey - Canadian-born American actor, born James Eugene Redmond Carrey 
• Cassius Clay - Former American boxer, world heavyweight champion. He was born Cassius Marcellus Clay Jr. and changed his name in Muhammad Ali. The Greatest was his nickname
• Auguste Comte - French philosopher, considered the precursor of Sociology and the father of Positivism
• Zooey Deschanel - American actress and singer-songwriter. She is the yonger sister of actress Emily Deschanel
• Benjamin Franklin - One of the founding fathers of the United States. He was also a writer, scientist, inventor, and political theorist
• David Lloyd George - English statesman
• Françoise Hardy - French singer and actress. She became popular with the song Tous les garçons et les filles
• Carl Laemmle - German-born American film producer
• Gordon Arnold Lonsdale - Name under which Soviet spy Konon Trofimovich Molody was known
• Konon Trofimovich Molody - Soviet spy known as Gordon Lonsdale Arnold
• Ryūichi Sakamoto - Japanese musician, composer, and actor.
• Mick Taylor - English musician
• The Greatest - Nickname of Cassius Clay, former American boxer, one of the most important worldwide. He then became Muhammad Ali
• Rafał Trzaskowski - Polish politician and the current Mayor of Warsaw, born Rafał Kazimierz Trzaskowski.
• Antonio Maria Valsalva - Italian anatomist known for the Valsalva maneuver
• Tabaré Vázquez - Uruguayan oncologist and politician, born Tabaré Ramón Vázquez Rosas. He has been the 41st President of Uruguay.