January 27 is the 27th day of the year in the Gregorian calendar. There are 338 days remaining until the end of the year (339 in leap years).
1901 – 2000
- 1909 – The Young Left is founded in Norway.
- 1915 – United States Marines occupy Haiti.
- 1918 - Finland: The Finnish Civil War begins.
- 1926 – John Logie Baird demonstrates the first television broadcast.
- 1927 - Ibn Saud takes the title of King of Nejd. It later unites with Hejaz to form Saudi Arabia.
- 1939 – United States President Franklin D. Roosevelt approves the sale of United States war planes to France.
- 1941 – World War II: Fighting at Derna, Libya, begins. Following the capture of Tobruk, two brigades of the 6th Australian Division under Major General Iven Mackay pursue the Italians westwards and encounters an Italian rear guard at Derna.
- 1943 – World War II: Fifty bombers mount the first entirely American air raid against Germany, targeting Wilhelmshaven.
- 1944 – World War II: The two-year Siege of Leningrad is lifted.
- 1945 – World War II: The Red Army arrives at Auschwitz and Birkenau in Poland. They find the Nazi concentration camp where 1.1-1.5 million people had been murdered.
- 1951 – Nuclear testing at the Nevada Test Site begins with a one-kiloton bomb dropped on Frenchman Flats.
- 1961 - Soviet submarine S-80 sinks with all lives lost.
- 1967 – Astronauts Gus Grissom, Edward White and Roger Chaffee are killed in a fire during a test of the Apollo 1 spacecraft at the Kennedy Space Center.
- 1967 – More than sixty nations sign the Outer Space Treaty banning nuclear weapons in space.
- 1973 – Paris Peace Accords officially end the Vietnam War.
- 1974 - Brisbane River breaches its banks causing Brisbane's largest flood of the 20th century.
- 1980 - Robert Mugabe returns to Zimbabwe (then-called Rhodesia) after a five-year exile.
- 1983 – World's longest underwater tunnel (53.90 km) opens in Japan connecting the islands of Honshū and Hokkaido.
- 1984 – Carl Lewis beats his own indoor world jumping record by 9.25 inches (23.5 centimeters) with a 28-foot, 10¼-inch (8.795-meter) jump.
- 1984 – Michael Jackson suffers severe burns to his scalp while filming a Pepsi commercial after a spark ignites his hair on fire due to a pyrotechnical fault. He is rushed to hospital.
- 1991 – Muhammad Siyad Barre flees his compound in Mogadishu.
- 1991 – Super Bowl XXV: The New York Giants defeat the Buffalo Bills, 20-19.
- 1992 – Mike Tyson goes on trial charged with raping a 1991 Miss Black America contestant.
- 1993 - American-born sumo wrestler Akebono Taro becomes the first foreign-born wrestler of the sport to be given the title of Yokozuna.
- 1996 – Colonel Ibrahim Baré Maïnassara deposes the first democratically elected president of Niger, Mahamane Ousmane, in a military coup.
- 1996 – Germany observes its 1st Holocaust Remembrance Day.
- 1997 – It is revealed that French museums have nearly 2,000 pieces of art that were stolen by Nazis.
- 1998 – American First Lady Hillary Rodham Clinton appears on the Today Show calling the attacks against her husband part of a vast right-wing conspiracy.
Up to 1900
- 1443 – Albert, Duke of Saxony (d. 1500)
- 1546 - Joachim Friedrich, Elector of Brandenburg (d. 1608)
- 1571 – Abbas I of Persia (d. 1629)
- 1585 - Hendrick Avercamp, Dutch painter (d. 1634)
- 1662 – Richard Bentley, English classical scholar (d. 1742)
- 1687 - Johann Balthasar Neumann, German architect (d. 1753)
- 1708 - Anna Petrovna of Russia (d. 1728)
- 1741 - Hester Thrale, Welsh writer (d. 1821)
- 1756 – Wolfgang Amadeus Mozart, Austrian composer (d. 1791)
- 1775 – Friedrich Wilhelm Joseph Schelling, German philosopher (d. 1854)
- 1790 - William Davies Evans, Welsh sailor, chess player and inventor (d. 1872)
- 1795 - Eli Whitney Blake, American inventor (d. 1886)
- 1805 – Maria Anna of Bavaria, Queen Consort of Saxony (d. 1877)
- 1805 – Sophie of Bavaria, Archduchess of Austria (d. 1872)
- 1805 - Samuel Palmer, English artist (d. 1881)
- 1814 – Eugene Viollet-le-Duc, French architect (d. 1879)
- 1823 - Edouard Lalo, French composer (d. 1892)
- 1826 - Mikhail Saltykov-Shchedrin, Russian writer (d. 1889)
- 1826 - Richard Taylor, American Confederate general (d. 1879)
- 1829 - Isaac Roberts, Welsh astronomer (d. 1904)
- 1832 – Lewis Carroll, English writer (d. 1898)
- 1836 - Leopold von Sacher-Masoch, Austrian writer (d. 1895)
- 1841 - Arkhip Kuindzhi, Russian painter (d. 1910)
- 1850 - Samuel Gompers, American trade union leader (d. 1924)
- 1850 – Edward J. Smith, British captain (d. 1912)
- 1859 – Kaiser Wilhelm II of Germany (d. 1941)
- 1864 - John Walter Gregory, English geologist and explorer (d. 1932)
- 1867 - Katherine Mayo, American journalist (d. 1940)
- 1871 - Samuel Peploe, Scottish painter (d. 1935)
- 1885 – Jerome Kern, American composer (d. 1945)
- 1891 – Ilya Ehrenburg, Russian writer and journalist (d. 1967)
- 1893 – Soong Ching-ling, Chinese political figure and spouse of Sun Yat-sen (d. 1981)
- 1895 - Harry Ruby, American composer and screenwriter (d. 1974)
- 1899 - Béla Guttmann, Hungarian footballer (d. 1981)
1901 – 1950
- 1901 – Willy Fritsch, German actor (d. 1973)
- 1901 - Art Rooney, Pittsburgh Steelers founder and owner (d. 1988)
- 1902 - Carl Berner, German-American supercentenarian (d. 2013)
- 1903 – Sir John Eccles, Australian neuropsychologist (d. 1997)
- 1908 - William Randolph Hearst, Jr., American journalist and publisher (d. 1993)
- 1910 – Edward Kardelj, Yugoslavian politician (d. 1979)
- 1912 – Arne Naess, Norwegian philosopher (d. 2009)
- 1918 - Skitch Henderson, American bandleader (d. 2005)
- 1918 - Elmore James, American blues musician (d. 1963)
- 1919 – Ross Bagdasarian, Sr., American musician (d. 1972)
- 1920 – Helmut Zacharias, German violinist (d. 2002)
- 1921 - Donna Reed, American actress (d. 1986)
- 1924 – Rauf Denktas, 1st President of the Turkish Republic of Northern Cyprus (d. 2012)
- 1924 - Brian Rix, English actor and activist (d. 2016)
- 1926 - Ingrid Thulin, Swedish actress (d. 2004)
- 1928 – Hans Modrow, East German Premier
- 1930 – Aloysius Ambrozic, Slovenian-Canadian archbishop and cardinal (d. 2011)
- 1930 - Bobby Bland, American musician (d. 2013)
- 1931 - Mordecai Richler, Canadian writer (d. 2001)
- 1933 - Jerry Buss, American businessman and sports team owner (d. 2013)
- 1933 – Mohamed Al-Fayed, Egyptian businessman and billionaire
- 1934 – Edith Cresson, former Prime Minister of France
- 1936 - Barry Barish, American physicist
- 1936 – Samuel C. C. Ting, American physicist
- 1936 - Troy Donahue, American actor (d. 2001)
- 1937 – John Ogdon, British pianist (d. 1989)
- 1940 – Petru Lucinschi, 2nd President of Moldova
- 1940 – James Cromwell, American actor
- 1940 - Reynaldo Rey, American actor, comedian and television personality (d. 2015)
- 1941 - Bobby Hutcherson, American composer, vibraphone and marimba player
- 1942 - Tasuku Honjo, Japanese immunologist
- 1942 – Kate Wolf, American folk singer and musician (d. 1986)
- 1942 - Steve Wynn, American real estate businessman and art collector
- 1944 – Mairead Maguire, Northern Irish activist
- 1944 – Nick Mason, English drummer (Pink Floyd)
- 1946 – Nedra Talley, American singer (Ronettes)
- 1948 – Mikhail Baryshnikov, Latvian-born dancer and choreographer
- 1948 – Valeri Brainin, Russian-German musicologist, poet, educator, composer
- 1948 - Jean-Philippe Collard, French pianist
- 1949 - Marilyn Musgrave, American politician
- 1950 - Alex Norton, Scottish actor
- 1950 - Derek Acorah, English spirit medium
1951 – 1975
- 1951 - Brian Downey, Irish musician
- 1952 - Brian Gottfried, American tennis player
- 1952 - Klan Slavovici, Croatian musician and politician
- 1955 – John Roberts, Chief Justice of the United States
- 1956 - Mimi Rogers, American actress
- 1956 - Sean O'Keefe, 10th Head of NASA
- 1957 – Janick Gers, British guitarist (Iron Maiden)
- 1957 - Frank Miller, American comic book writer and movie director
- 1958 - Alan Milburn, British politician
- 1958 - Susanna Thompson, American actress
- 1961 - Gillian Gilbert, British musician
- 1963 - Luigi Ambrosio, Italian mathematician
- 1963 - Mark Moraghan, English actor and singer
- 1963 - George Monbiot, English writer and activist
- 1964 – Bridget Fonda, American actress
- 1964 - Jack Haley, American basketball player (d. 2015)
- 1965 – Alan Cumming, Scottish actor and movie director
- 1965 – Mike Newell, English football manager
- 1967 - Dave Manson, Canadian ice hockey player
- 1968 – Tricky, English rapper
- 1968 – Mike Patton, American singer
- 1969 – Patton Oswalt, American actor and comedian
- 1969 - Cornelius, Japanese singer, guitarist and producer
- 1971 - Patrice Brisebois, Canadian ice hockey player
- 1972 - Mirjam Ott, Swiss curler
- 1972 – Mark Owen, English singer (Take That)
- 1972 – Keith Wood, Irish rugby player
- 1972 – Josh Randall, American actor
- 1973 - Valyantsin Byalkevich, Belarussian footballer and manager (d. 2014)
- 1974 - Ole Einar Bjorndalen, Norwegian biathlete
- 1974 - Andrei Pavel, Romanian tennis player
From 1976
- 1976 – Ahn Jung-Hwan, South Korean footballer
- 1979 – Rosamund Pike, English actress
- 1980 – Marat Safin, Russian tennis player and politician
- 1980 – Eva Padberg, German model
- 1981 - Alicia Molik, Australian tennis player
- 1981 – Tony Woodcock, New Zealand rugby player
- 1983 - Carlo Colaiacov, Canadian ice hockey player
- 1983 - Paulo Colaiacov, Canadian ice hockey player
- 1986 – Giorgi Loria, Georgian footballer
- 1987 – Lily Donaldson, British model
- 1987 - Michael Marrone, Australian footballer
- 1987 - Anton Shunin, Russian footballer
- 1989 - Ricky van Wolfswinkel, Dutch footballer
- 1989 - Daisy Lowe, English model
- 1998 - Rebeka Kim, South Korean ice dancer
Up to 1900
- 98 – Nerva, Roman Emperor (b. 35)
- 457 - Marcian, Byzantine Emperor (b. 392)
- 672 - Pope Vitalian
- 1490 – Ashikaga Yoshimasa, Japanese shogun (b. 1435)
- 1540 - Saint Angela Merici, Italian religious leader and saint (b. 1474)
- 1629 – Hieronymus Praetorius, German composer (b. 1560)
- 1638 – Gonzalo de Céspedes y Meneses, Spanish novelist
- 1651 - Abraham Bloemaert, Dutch painter and printmaker (b. 1566)
- 1731 – Bartolomeo Cristofori, Italian maker of musical instruments (b. 1655)
- 1740 – Louis Henri, Duc de Bourbon, Prime Minister of France (b. 1692)
- 1754 - Ludvig Holberg, Danish playwright (b. 1684)
- 1814 – Johann Gottlieb Fichte, German philosopher (b. 1761)
- 1816 – Samuel Hood, 1st Viscount Hood, British admiral (b. 1724)
- 1851 – John James Audubon, French-American naturalist, ornithologist, and painter (b. 1785)
- 1851 - Cornelius P. Comegys, Governor of Delaware (b. 1780)
- 1860 – János Bolyai, Hungarian mathematician (d. 1860)
- 1880 – Edward Middleton Barry, English architect (b. 1830)
1901 – 2000
- 1901 – Giuseppe Verdi, Italian composer (b. 1813)
- 1910 – Thomas Crapper, English plumber (b. 1836)
- 1913 - Archduke Rainer Ferdinand of Austria (b. 1827)
- 1919 – Endre Ady, Hungarian poet (b. 1877)
- 1922 - Nellie Bly, American journalist and writer (b. 1864)
- 1940 – Isaac Babel, Ukrainian writer (b. 1894)
- 1942 - Kaarel Eenpalu, Prime Minister of Estonia (b. 1888)
- 1956 – Erich Kleiber, German conductor (b. 1890)
- 1965 - Hassan Ali Mansour, Prime Minister of Iran (b. 1923)
- 1965 - C. Douglass Buck, American politician, Governor of Delaware (b. 1890)
- 1967 – Crew of Apollo 1:
- 1970 – Rita Angus, New Zealand painter (b. 1908)
- 1971 – Jacobo Arbenz, President of Guatemala (b. 1913)
- 1972 – Mahalia Jackson, American singer (b. 1911)
- 1973 - William Nolde, last American combat casualty of the Vietnam War (b. 1929)
- 1974 - Georgios Grivas, Cyprus-born general of the Greek Army (b. 1898)
- 1975 – Bill Walsh, American producer and writer (b. 1913)
- 1983 - Louis de Funes, French actor (b. 1914)
- 1986 – Lilli Palmer, German-born actress (b. 1914)
- 1988 – Massa Makan Diabaté, Malian writer (b. 1938)
- 1989 – Thomas Sopwith, British aviation pioneer (b. 1888)
- 1992 – Allan Jones, actor and singer (b. 1908)
- 1993 – André the Giant, professional wrestler and actor (b. 1946)
- 1994 – Claude Akins, actor (b. 1926)
- 1996 – Ralph Yarborough, American politician (b. 1903)
From 2001
- 2001 - Marie Jose of Belgium, last Queen Consort of Italy (b. 1906)
- 2003 - Henryk Jablonski, President of Poland (b. 1909)
- 2004 – Jack Paar, American television show host (b. 1918)
- 2006 – Johannes Rau, President of Germany (b. 1931).
- 2007 - Marcheline Bertrand, American actress (b. 1950).
- 2008 – Suharto, second President of Indonesia (b. 1921).
- 2008 - Gordon B. Hinckley, American religious leader (b. 1910).
- 2009 - R. Venkataraman, President of India (b. 1910).
- 2009 - Mino Reitano, Italian singer (b. 1944).
- 2009 – John Updike, American writer (b. 1932).
- 2010 – Zelda Rubinstein, American actress (b. 1932).
- 2010 – J. D. Salinger, American writer (b. 1919).
- 2010 – Howard Zinn, American historian (b. 1922).
- 2011 - Charlie Callas, American comedian (b. 1927)
- 2013 - Pham Duy, Vietnamese singer-songwriter (b. 1921)
- 2014 - Pete Seeger, American folk musician (b. 1919)
- 2014 - Edmond Classen, Dutch actor (b. 1938)
- 2015 - Wilfred Agbonavbare, Nigerian footballer (b. 1966)
- 2015 - Henk Faanhof, Dutch road bicycle racer (b. 1922)
- 2015 - David Landau, British-Israeli journalist (b. 1947)
- 2015 - Charles Hard Townes, American physicist (b. 1915)
- 2015 - John T. Myers, American politician (b. 1927)
- 2015 - Rocky Bridges, American baseball player (b. 1927)
- 2016 - Augusto Giomo, Italian basketball player (b. 1940)
- 2016 - Carlos Loyzaga, Filipino basketball player and coach (b. 1930)
- 2017 – Wim Anderiesen Jr., Dutch footballer (b. 1931)
- 2017 - Valery Bolotov, Ukrainian militant leader (b. 1970)
- 2017 - Bob Holiday, American actor (b. 1932)
- 2017 - Emmanuelle Riva, French actress (b. 1927)
- 2017 - Billy Simpson, Northern Irish footballer (b. 1929)
- 2017 - Gisella Sofio, Italian actress (b. 1931)
- 2017 - Henry-Louis de La Grange, French musicologist (b. 1924)
- 2017 - Atanas Kirov, Bulgarian weightlifter (b. 1948)
- 2017 - Brunhilde Pomsel, German broadcaster (b. 1911)
- 2017 - Arthur H. Rosenfeld, American physicist (b. 1926)
- 2018 - Robert McCormick Adams, Jr., American anthropologist (b. 1926)
- 2018 - Royal Galipeau, Canadian politician (b. 1947)
- 2018 - Ingvar Kamprad, Swedish businessman (b. 1926)
- 2018 - Dennis Peron, American cannabis and LGBT activist and businessman (b. 1946)
- 2018 - Mort Walker, American comic artist (b. 1923)
- 2018 - John Wall, English engineer and astronomer (b. 1932)
- 2019 - Henry Chapier, Romanian-born French television journalist (b. 1933)
- 2019 - Nina Fyodorova, Russian cross-country skier (b. 1947)
- 2019 - Peter Magowan, American businessman (b. 1942)
- 2019 - Erica Yohn, American actress (b. 1928)