Ethiopians are 150, and for the Italians 50. December 21 – The orchestral suite Lieutenant Kijé, one of Sergei Prokofiev's best-known works, is premiered. December 27 – Persia becomes Iran. December 29 – Japan renounces the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930. Date unknown Winter – Tadj ol-Molouk, Empress consort of Iran, and her daughters appear publicly in Tehran without a veil, leading to its abolition in the country. Abidjan becomes the capital of the French colony of Ivory Coast. The sonoluminescence effect is discovered, at the University of Cologne. The Australian frontier wars end, after 146 years. The Yomiuri Giants, a successful professional baseball club in Japan, is founded in Tokyo. Births January January 4 – Rudolf Schuster, 2nd President of Slovakia January 5 – Eddy Pieters Graafland, Dutch football goalkeeper (d. 2020) January 7 Charles Jenkins, American sprinter Tassos Papadopoulos, Cypriot politician, 5th President of Cyprus (d. 2008) January 8 – Jacques Anquetil, French road cyclist (d. 1987) January 10 – Leonid Kravchuk, President of Ukraine (d. 2022) January 11 – Jean Chrétien, 20th Prime Minister of Canada January 14 Richard Briers, English actor (d. 2013) Pierre Darmon, French tennis player January 16 – Marilyn Horne, American mezzo-soprano January 17 – Cedar Walton, American jazz pianist (d. 2013) January 18 – Raymond Briggs, British writer and illustrator (d. 2022) January 20 – Tom Baker, British actor January 21 – Ann Wedgeworth, American actress (d. 2017) January 22 – Bill Bixby, American actor and director (d. 1993) January 24 – Stanisław Grochowiak, Polish poet and dramatist (d. 1976) January 27 – Édith Cresson, Prime Minister of France January 30 – Tammy Grimes, American actress (d. 2016) January 31 – Eva Mozes Kor, Romanian Holocaust survivor and author (d. 2019) February February 7 Eddie Fenech Adami, 10th Prime Minister of Malta and 7th President of Malta King Curtis, African-American saxophonist (d. 1971) February 10 – Fleur Adcock, New Zealand poet February 11 Manuel Noriega, Panamanian military dictator (d. 2017) John Surtees, British racing driver (d. 2017) February 12 – Anne Krueger, American economist February 13 – George Segal, American actor (d. 2021) February 14 – Florence Henderson, American actress, singer and television personality (d. 2016) February 15 – Niklaus Wirth, Swiss computer scientist February 17 Sir Alan Bates, British actor (d. 2003) Barry Humphries, Australian actor, comedian February 18 Anna Maria Ferrero, Italian actress