15 January: today's birthdays

• Christian Asbjørnsen - Norwegian writer
• Joseph Breuer - Austrian physician, precursor of psychoanalysis later developed by his pupil Sigmund Freud
• Eric Dier - English professional footballer, born Eric Jeremy Edgar Dier
• Edinho - Nickname of Edimo Ferreira Campos
• Gamal Abd El-Nasser - Egyptian politician, 2nd President of Egypt
• Osip Ėmil'evič Mandel'štam (Emilyevich Mandelshtam) - Russian poet and essayst, born in a Jewish family, in Warsaw when it still was part of the Russian Empire
• Edimo Ferreira Campos - Portuguese soccer player best known as Edinho
• Maurice Herzog - French climber
• Nâzım Hikmet - Turkish poet, playwright and novelist.
• Tao Hong - Chinese actress
• Kirin Kiki - Japanese actress
• Regina King - American actress, born Regina Rene King. She won an Academy Award for Best Supporting Actress in 2019 for her role in If Beale Street Could Talk.
• Martin Luther King - American politician and activist, born ​Michael King Jr. He was the leader in the African-American Civil Rights Movement and he was awarded the Nobel Peace Prize in 1964
• Gene Krupa - Polish-born Americanjazz drummer
• Molière - Pseudonym of Jean-Baptiste Poquelin, French playwright and actor. He wrote Tartuffe, L'Avare, The Misanthrope, The Learned Women, The School for Wives
• José Montilla i Aguilera - Catalan politician
• Jean-Baptiste Poquelin - French playwright and actor, best known as Molière. He wrote Tartuffe, L'Avare, The Misanthrope, The Learned Women, The School for Wives
• Pierre-Joseph Proudhon - French philosopher, economist, and sociologist
• Boris Tadić - Serbian politician
• Lewis Terman - American psychologist
• Joël Veltman - Dutch professional footballer 
• Florian Znaniecki - Polish philosopher and sociologist