| 2009 | January 2 | Death Maria de Jesus, Portuguese supercentenarian (birth 1893) |
| 2008 | January 2 | Death Lee S. Dreyfus, American politician (birth 1926) |
| 2008 | January 2 | Death George MacDonald Fraser, British author (birth 1925) |
| 2008 | January 2 | Death Gerry Staley, American baseball player (birth 1920) |
| 2008 | January 2 | Death Galyani Vadhana, Princess of Thailand (birth 1923) |
| 2007 | January 2 | Death Garry Betty, American CEO of Earthlink (birth 1957) |
| 2007 | January 2 | Death Elizabeth Fox-Genovese, American historian (birth 1941) |
| 2007 | January 2 | Death Mauno Jokipii, Finnish professor and researcher (birth 1924) |
| 2007 | January 2 | Death Teddy Kollek, Austrian-born mayor of Jerusalem (birth 1911) |
| 2007 | January 2 | Death Don Massengale, American PGA Tour golf player (birth 1937) |
| 2007 | January 2 | Death Paek Nam-sun, North Korean Foreign Affairs minister (birth 1929) |
| 2007 | January 2 | Death Richard Newton, Australian-born technology pioneer and professor (birth 1951) |
| 2007 | January 2 | Death David Perkins, American geneticist (birth 1919) |
| 2007 | January 2 | Death Dan Shaver, American racecar driver (birth 1950) |
| 2007 | January 2 | Death Robert C. Solomon, American scholar of continental philosophy (birth 1942) |
| 2006 | January 2 | Death Cecilia Muñoz-Palma, first female Philippine Supreme Court Justice (birth 1913) |
| 2005 | January 2 | Death Cyril Fletcher, British comedian (birth 1913) |
| 2005 | January 2 | Death Frank Kelly Freas, American artist (birth 1922) |
| 2005 | January 2 | Death Ronald 'Bo' Ginn, American politician (birth 1934) |
| 2005 | January 2 | Death Maclyn McCarty, American geneticist (birth 1911) |
| 2005 | January 2 | Death Edo Murtić, Croatian painter (birth 1921) |
| 2004 | January 2 | Stardust successfully flies past Comet Wild 2, collecting samples that it will return to Earth two years later. |
| 2004 | January 2 | Death Lynn Cartwright, American actress (birth 1927) |
| 2004 | January 2 | Death Jess Collins, American artist (birth 1923) |
| 2003 | January 2 | Death Eric Jupp, British-born pianist, composer, arranger (birth 1922) |
| 2002 | January 2 | Eduardo Duhalde is appointed interim President of Argentina by the Legislative Assembly. |
| 2002 | January 2 | Death Armi Aavikko, Finnish singer (birth 1958) |
| 2001 | January 2 | Sila Calderón becomes the first female Governor of Puerto Rico. |
| 2001 | January 2 | Death Teri Diver, American actress (birth 1971) |
| 2001 | January 2 | Death William P. Rogers, American politician (birth 1913) |
| 2000 | January 2 | Death Nat Adderley, American musician and composer (birth 1931) |
| 2000 | January 2 | Death Patrick O'Brian, British novelist (birth 1914) |
| 2000 | January 2 | Death Elmo R. Zumwalt, Jr., American admiral (birth 1920) |
| 1999 | January 2 | A brutal snowstorm smashes into the Midwestern United States, causing 14 inches (359nbsp;mm) of snow in Milwaukee, Wisconsin, and 19 inches (487nbsp;mm) in Chicago, where temperatures plunge to -13°F (-25°C); 68 deaths are reported. |
| 1999 | January 2 | Death Sebastian Haffner, German journalist and author (birth 1907) |
| 1998 | January 2 | Death Frank Muir, English writer, raconteur (birth 1920) |
| 1997 | January 2 | Death Randy California, American guitarist songwriter (Spirit) (birth 1951) |
| 1996 | January 2 | Death Karl Targownik, Hungarian psychiatrist (birth 1915) |
| 1995 | January 2 | Death Siad Barre, President of Somalia (birth 1919) |
| 1995 | January 2 | Death Nancy Kelly, American actress (birth 1921) |
| 1994 | January 2 | Death Dixy Lee Ray, American politician (birth 1914) |
| 1994 | January 2 | Death Pierre-Paul Schweitzer, Managing Director of the International Monetary Fund (birth 1915) |
| 1991 | January 2 | Birth Davide Santon, Italian footballer |
| 1991 | January 2 | Birth Steele Sidebottom, Australian Rules footballer who plays for Collingwood |
| 1990 | January 2 | Death Alan Hale Jr., American actor (birth 1918) |
| 1989 | January 2 | Birth Danny Jones, English/Spanish legendary matador |
| 1988 | January 2 | Birth Jonny Evans, Northern Irish footballer |
| 1987 | January 2 | Birth Loui Batley, British actress |
| 1987 | January 2 | Birth Syesha Mercado, American singer |
| 1986 | January 2 | Death Dick James, English music publisher (Northern Songs) (birth 1920) |
| 1986 | January 2 | Death Una Merkel, American actress (birth 1903) |
| 1986 | January 2 | Death Bill Veeck, American baseball executive (birth 1914) |
| 1985 | January 2 | Birth Heather O'Reilly, American soccer player |
| 1984 | January 2 | Birth Colleen Taylor, American journalist |
| 1984 | January 2 | Death Dick Emery, English comedian (birth 1915) |
| 1983 | January 2 | Birth Kate Bosworth, American actress |
| 1983 | January 2 | Birth Andrew Ebbett, Canadian ice hockey player |
| 1982 | January 2 | Birth Athanasia Tsoumeleka, Greek race walker |
| 1981 | January 2 | Birth Hanno Balitsch, German footballer |
| 1981 | January 2 | Birth Ryan Garko, American baseball player |
| 1981 | January 2 | Birth Kirk Hinrich, American basketball player |
| 1981 | January 2 | Birth Maxi Rodríguez, Argentine footballer |
| 1980 | January 2 | Birth Annie Bellemare, Canadian Figure Skater |
| 1980 | January 2 | Birth Mac Danzig, American Mixed martial arts combatant |
| 1979 | January 2 | Birth Jonathan Greening, British footballer |
| 1979 | January 2 | Birth Suranne Jones, British actress |
| 1978 | January 2 | Birth Toyoguchi Megumi, Japanese seiyuu (voice actress) |
| 1977 | January 2 | Birth Ales Pisa, Czech ice hockey player |
| 1977 | January 2 | Birth Scott Proctor, American baseball player |
| 1977 | January 2 | Death Errol Garner, American musician (birth 1921) |
| 1976 | January 2 | Birth Hrysopiyi Devetzi, Greek triple jumper |
| 1976 | January 2 | Birth Danilo Di Luca, Italian cyclist |
| 1976 | January 2 | Birth Cletidus Hunt, American football player |
| 1976 | January 2 | Birth Mahée Paiement, Canadian actress |
| 1976 | January 2 | Birth Paz Vega, Spanish actress |
| 1975 | January 2 | Birth Chris Cheney, Australian musician (The Living End) |
| 1975 | January 2 | Birth Doug Robb, American singer (Hoobastank) |
| 1975 | January 2 | Birth Dax Shepard, American actor |
| 1975 | January 2 | Birth Reuben Thorne, New Zealand rugby union player |
| 1974 | January 2 | President Richard Nixon signs a bill lowering the maximum U.S. speed limit to 55 MPH in order to conserve gasoline during an OPEC embargo. |
| 1974 | January 2 | Death Tex Ritter, American actor (birth 1905) |
| 1973 | January 2 | Birth Lucy Davis, British actress |
| 1973 | January 2 | Birth Will Kirby, American actor |
| 1972 | January 2 | Birth Adam Elliot, Australian animator |
| 1972 | January 2 | Birth Christopher Lennertz, American composer |
| 1972 | January 2 | Birth Hristos Meletoglou, Greek triple jumper |
| 1971 | January 2 | The second Ibrox disaster kills 66 fans at a Rangers-Celtic football match. |
| 1971 | January 2 | Birth Taye Diggs, American actor |
| 1971 | January 2 | Birth Renee Elise Goldsberry, American actress and singer |
| 1971 | January 2 | Birth Lisa Harrison, American basketball player |
| 1971 | January 2 | Death Willard Maas, American poet and filmmaker (birth 1906) |
| 1970 | January 2 | Birth Royce Clayton, American baseball player |
| 1970 | January 2 | Birth Robert Fertitta, American opera singer |
| 1970 | January 2 | Birth Sanda Ladoşi, Romanian singer |
| 1970 | January 2 | Birth Eric Whitacre, American composer |
| 1969 | January 2 | Birth Robby Gordon, American racing driver |
| 1969 | January 2 | Birth Karl-Heinz Grasser, Austrian politician |
| 1969 | January 2 | Birth Patrick Huard, Quebec actor and comedian |
| 1969 | January 2 | Birth Glen Johnson, Jamaican boxer |
| 1969 | January 2 | Birth Tommy Morrison, American boxer |
| 1969 | January 2 | Birth Róbert Švehla, Slovak ice hockey player |
| 1969 | January 2 | Birth Christy Turlington, American model |
| 1968 | January 2 | Birth Cuba Gooding Jr., American actor |
| 1968 | January 2 | Birth Anky van Grunsven, Dutch dressage champion |
| 1968 | January 2 | Birth Evan Parke, Jamaican actor |
| 1968 | January 2 | Birth Goichi Suda, Japanese video game developer |
| 1967 | January 2 | Birth Tia Carrere, American actress |
| 1967 | January 2 | Birth Jón Gnarr, Icelandic comedian |
| 1967 | January 2 | Birth Francois Pienaar, South African rugby player |
| 1965 | January 2 | Birth Greg Swindell, American baseball player |
| 1964 | January 2 | Birth Pernell Whitaker, American boxer |
| 1963 | January 2 | Birth David Cone, American baseball player |
| 1963 | January 2 | Birth Edgar Martínez, American baseball player |
| 1963 | January 2 | Death Jack Carson, American actor (birth 1910) |
| 1963 | January 2 | Death Dick Powell, American actor (birth 1904) |
| 1961 | January 2 | Birth Gabrielle Carteris, American actress |
| 1961 | January 2 | Birth Todd Haynes, American film director |
| 1960 | January 2 | Birth Naoki Urasawa, Japanese manga author |
| 1960 | January 2 | Death Fausto Coppi, Italian cyclist (birth 1919) |
| 1960 | January 2 | Death Paul Sauvé, Canadian politician (birth 1907) |
| 1959 | January 2 | Luna 1, the first spacecraft to reach the vicinity of the Moon and to orbit the Sun, is launched by the U.S.S.R. |
| 1959 | January 2 | Death Chris van Abkoude, Dutch-born writer and novelist (birth 1880) |
| 1958 | January 2 | Birth Vladimir Ovchinnikov, Russian pianist |
| 1957 | January 2 | Birth Joanna Pacula, Polish actress |
| 1956 | January 2 | Birth Lynda Barry, American cartoonist |
| 1955 | January 2 | Panamanian president Jose Antonio Remon is assassinated. |
| 1955 | January 2 | Birth Tex Brashear, American voice actor |
| 1955 | January 2 | Birth Vivien Savage, French singer |
| 1954 | January 2 | Birth Henry Bonilla, American politician |
| 1954 | January 2 | Birth Dawn Silva, American singer (The Brides of Funkenstein, P-Funk) |
| 1953 | January 2 | Birth Vincent Racaniello American Viroligist |
| 1952 | January 2 | Birth Graeme Strachan, Australian rock singer (Skyhooks) (death 2001) |
| 1951 | January 2 | Birth Alexander Pogrebinsky, Russian painter |
| 1951 | January 2 | Death Sir William Campion, Governor of Western Australia (birth 1870) |
| 1950 | January 2 | Birth Débora Duarte, Brazilian actress |
| 1950 | January 2 | Birth David Shifrin, American classical clarinetist |
| 1950 | January 2 | Death James Dooley, Premier of New South Wales (birth 1877) |
| 1949 | January 2 | Luis Muñoz Marín becomes the first democratically elected Governor of Puerto Rico. |
| 1949 | January 2 | Birth Christopher Durang, American playwright |
| 1947 | January 2 | Birth Jack Hanna, American zoologist |
| 1947 | January 2 | Birth Calvin Hill, American football player |
| 1946 | January 2 | Birth Richard Cole, American tour manager |
| 1946 | January 2 | Death Joe Darling, Australian cricketer (birth 1870) |
| 1945 | January 2 | Death Admiral Sir Bertram Ramsay, British naval commander (birth 1883) |
| 1944 | January 2 | Birth Prince Norodom Ranariddh, Cambodian politician |
| 1943 | January 2 | Birth Barış Manço, Turkish singer and television producer (death 1999) |
| 1942 | January 2 | The Federal Bureau of Investigation (FBI) convicts 33 members of a German spy ring headed by Fritz Joubert Duquesne in the largest espionage case in United States history -- the Duquesne Spy Ring. |
| 1942 | January 2 | World War II: Manila is captured by Japanese forces. |
| 1942 | January 2 | Birth Dennis Hastert, 59th Speaker of the United States House of Representatives |
| 1942 | January 2 | Birth Hugh Shelton, 15th Chairman of the Joint Chiefs of Staff |
| 1941 | January 2 | World War II: German bombing severely damages the Llandaff Cathedral in Cardiff, Wales. |
| 1941 | January 2 | Death Mischa Levitzki, Russian-born pianist (birth 1898) |
| 1940 | January 2 | Birth Jim Bakker, American televangelist |
| 1940 | January 2 | Birth S. R. S. Varadhan, Indian-American mathematician |
| 1939 | January 2 | Death Roman Dmowski, Polish politician (birth 1864) |
| 1938 | January 2 | Birth Ian Brady, British serial killer |
| 1938 | January 2 | Birth Hans Herbjørnsrud, Norwegian author |
| 1936 | January 2 | Birth Roger Miller, American singer (death 1992) |
| 1936 | January 2 | Death Sir Francis Newdegate, Governor of Tasmania (birth 1862) |
| 1935 | January 2 | Bruno Hauptmann goes on trial for the murder of Charles Lindbergh, Jr., infant son of aviator Charles Lindbergh. |
| 1933 | January 2 | Birth Ed Casey, Australian politician (death 2006) |
| 1933 | January 2 | Birth Morimura Seiichi, Japanese novelist |
| 1931 | January 2 | Birth Toshiki Kaifu, Japanese politician |
| 1930 | January 2 | Birth Julius LaRosa, American singer |
| 1928 | January 2 | Birth Avie Bennett, Canadian philanthropist |
| 1928 | January 2 | Birth Robert Goralski, American journalist (death 1988) |
| 1928 | January 2 | Birth Daisaku Ikeda, Japanese writer |
| 1925 | January 2 | Birth William J. Crowe, American admiral and ambassador (death 2007) |
| 1925 | January 2 | Birth Larry Harmon, American entertainer and TV producer (death 2008) |
| 1924 | January 2 | Death Sabine Baring-Gould, English composer and novelist (birth 1834) |
| 1921 | January 2 | Birth Glen Harmon, Canadian ice hockey player (death 2007) |
| 1920 | January 2 | Death Paul Adam, French novelist (birth 1862) |
| 1918 | January 2 | Birth Willi Graf, German anti-Nazi activist (death 1943) |
| 1917 | January 2 | Birth Vera Zorina, German dancer (death 2003) |
| 1917 | January 2 | Death Edward Burnett Tylor, English anthropologist (birth 1832) |
| 1915 | January 2 | Death Carl Goldmark, Hungarian composer (birth 1830) |
| 1914 | January 2 | Birth Violet Vivian Finlay Stuart Mann (aka Vivian Stuart, Alex Stuart, Barbara Allen, Fiona Finlay, V.A. Stuart, William Stuart Long, Robyn Stuart), British writer (death 1986) |
| 1913 | January 2 | Birth Anna Lee, English actress (death 2004) |
| 1913 | January 2 | Death Léon Teisserenc de Bort, French meteorologist (birth 1855) |
| 1910 | January 2 | Birth Srirangam Srinivasarao, Telugu Poet (death 1983) |
| 1909 | January 2 | Birth Riccardo Cassin, Italian mountaineer |
| 1905 | January 2 | Russo-Japanese War: The Russian garrison surrenders at Port Arthur, China. |
| 1905 | January 2 | Birth Lev Schnirelmann, Russian mathematician (death 1938) |
| 1905 | January 2 | Birth Michael Tippett, English composer (death 1998) |
| 1905 | January 2 | Birth Luigi Zampa, Italian film director and screenwriter (death 1991) |
| 1904 | January 2 | Birth Sally Rand, American fan dancer (death 1979) |
| 1904 | January 2 | Death James Longstreet, American Confederate general (birth 1821) |
| 1902 | January 2 | Birth Dan Keating, Irish republican (death 2007) |
| 1900 | January 2 | John Hay announces the Open Door Policy to promote trade with China. |
| 1897 | January 2 | Birth Jim Londos, Greek wrestler (death 1975) |
| 1896 | January 2 | Birth Dziga Vertov, Russian filmmaker (death 1954) |
| 1896 | January 2 | Birth Sir Lawrence Wackett, Australian aircraft engineer (death 1982) |
| 1895 | January 2 | Birth Count Folke Bernadotte, Swedish diplomat (death 1948) |
| 1893 | January 2 | Birth Lillian Leitzel, German acrobat and strongwoman (death 1931) |
| 1893 | January 2 | Death John Obadiah Westwood, British entomologist (birth 1805) |
| 1892 | January 2 | Birth Seiichiro Kashio, Japanese tennis player (death 1962) |
| 1892 | January 2 | Death George Airy, British Astronomer Royal (birth 1801) |
| 1889 | January 2 | Birth Sir Bertram Stevens, Premier of New South Wales 1932-39 (death 1973) |
| 1888 | January 2 | Birth Tito Schipa, Italian tenor (death 1965) |
| 1886 | January 2 | Birth Apsley Cherry-Garrard, English Antarctic explorer (death 1959) |
| 1886 | January 2 | Birth Florence Lawrence, Canadian actress (death 1938) |
| 1885 | January 2 | Birth Gordon Flowerdew, Canadian Victoria Cross recipient |
| 1877 | January 2 | Birth Slava Raskaj, Croatian painter (death 1906) |
| 1873 | January 2 | Birth Thérèse de Lisieux, French Roman-Catholic nun (death 1897) |
| 1871 | January 2 | Amadeus I becomes King of Spain. |
| 1870 | January 2 | Birth Ernst Barlach, German sculptor (death 1938) |
| 1866 | January 2 | Birth Prof Gilbert Murray, Australian classical scholar (death 1957) |
| 1861 | January 2 | Death King Frederick William IV of Prussia (birth 1795) |
| 1860 | January 2 | The discovery of the planet Vulcan is announced at a meeting of the Académie des Sciences in Paris. |
| 1837 | January 2 | Birth Mily Balakirev, Russian composer (death 1910) |
| 1836 | January 2 | Birth Queen Emma of Hawaii, Consort of King Kamehameha IV (death 1885) |
| 1836 | January 2 | Birth Mendele Moykher Sforim, Jewish writer (death 1917) |
| 1833 | January 2 | Re-establishment of British rule on the Falklands. |
| 1833 | January 2 | Birth Frederick A. Johnson, American politician (death 1893) |
| 1827 | January 2 | Birth Peter Semenov of Tian Shan, Russian explorer (death 1914) |
| 1822 | January 2 | Birth Rudolf Clausius, German physicist (death 1888) |
| 1818 | January 2 | The British Institution of Civil Engineers is founded. |
| 1791 | January 2 | Big Bottom massacre in the Ohio Country, marking the beginning of the Northwest Indian War. |
| 1788 | January 2 | Georgia becomes the fourth state to ratify the United States Constitution. |
| 1777 | January 2 | American Revolutionary War: American forces under the command of George Washington repulsed a British attack at the Battle of the Assunpink Creek near Trenton, New Jersey. |
| 1777 | January 2 | Birth Christian Daniel Rauch, German sculptor (death 1857) |
| 1727 | January 2 | Birth James Wolfe, British general (death 1759) |
| 1726 | January 2 | Death Domenico Zipoli, Italian composer (birth 1688) |
| 1719 | January 2 | Birth Jacques-Alexandre Laffon de Ladebat, French shipbuilder (death 1797) |
| 1713 | January 2 | Birth Marie Dumesnil, French actress (death 1803) |
| 1699 | January 2 | Birth Osman III, Ottoman Sultan (death 1757) |
| 1694 | January 2 | Death Henry Booth, 1st Earl of Warrington, English politician (birth 1651) |
| 1685 | January 2 | Death Harbottle Grimston, English politician (birth 1603) |
| 1647 | January 2 | Birth Nathaniel Bacon, English-born American colonist (death 1676) |
| 1642 | January 2 | Birth Mehmed IV, Ottoman Sultan (death 1693) |
| 1557 | January 2 | Death Pontormo, Italian painter (birth 1494) |
| 1514 | January 2 | Death William Smyth, English bishop and statesman (birth c1460) |
| 1512 | January 2 | Death Svante, Regent of Sweden (birth 1460) |
| 1492 | January 2 | Reconquista: the emirate of Granada, the last Moorish stronghold in Spain, surrenders. |
| 533 | January 2 | Mercurius becomes Pope John II, the first pope to adopt a new name upon elevation to the papacy. |
| 366 | January 2 | The Alamanni cross the frozen Rhine River in large numbers, invading the Roman Empire. |