| Year | Description | Category |
|---|---|---|
| 2015 | Chess grandmaster from Russia, Alexander Lastin died. | Death day |
| 2009 | Chess grandmaster from Argentina, Héctor Rossetto died. | Death day |
| 1998 | Chess grandmaster from Ukraine, Pavlo Vorontsov was born. | Birthday |
| 1994 | Chess grandmaster from Czech Republic, Vojtech Plat was born. | Birthday |
| 1983 | Chess grandmaster from Spain, Ernesto Fernández Romero was born. | Birthday |
| 1974 | Astronaut from United States, Jack Fischer was born. | Birthday |
| 1973 | Astronaut from United States, Kjell N. Lindgren was born. | Birthday |
| 1972 | Chess grandmaster from Philippines, Rogelio Barcenilla was born. | Birthday |
| 1968 | Czech tennis player Petr Korda was born. | Birthday |
| 1963 | Pakistani politician Mohammad Ali Bogra died. | Death day |
| 1962 | Chess grandmaster from North Macedonia, Rolando Kutirov was born. | Birthday |
| 1952 | Chess grandmaster from Brazil, Henrique Mecking was born. | Birthday |
| 1950 | Bulgarian politician Vasil Kolarov died. | Death day |
| 1949 | Astronaut from United States, Robert Cabana was born. | Birthday |
| 1930 | Saint Lucian poet and playwright Derek Walcott was born. | Birthday |
| 1930 | Astronaut from United States, William Pogue was born. | Birthday |
| 1929 | Hungarian-Canadian chemist John Polanyi was born. | Birthday |
| 1918 | American biochemist Gertrude B. Elion was born. | Birthday |
| 1915 | British economist Arthur Lewis was born. | Birthday |
| 1907 | Japanese physicist Hideki Yukawa was born. | Birthday |
| 1876 | German chemist Otto Diels was born. | Birthday |
| 1840 | German physicist and optical scientist Ernst Karl Abbe was born. | Birthday |
| 1806 | British politician William Pitt died. | Death day |
| 1805 | French inventor Claude Chappe died. | Death day |
| 1556 | Magnitude 8 earthquake in Shaanxi, China. This is one of the deadliest earthquake. | Natural Disaster |
2019-01-23