| Year | Description | Category |
|---|---|---|
| 2017 | American politician Donald Trump took office as president. | Inagural Day |
| 2009 | American politician Barack Obama took office as president. | Inagural Day |
| 2001 | American politician George W. Bush took office as president. | Inagural Day |
| 1995 | Chinese badminton player Huang Dongping was born. | Birthday |
| 1994 | Chess grandmaster from Poland, Daniel Sadzikowski was born. | Birthday |
| 1993 | American politician Bill Clinton took office as president. | Inagural Day |
| 1993 | British actress Audrey Hepburn died. | Death day |
| 1992 | Air Inter Flight 148 aircraft incident at Barr, France, killed 87 people. | Man-Made Disaster |
| 1990 | Japanese politician Naruhiko Higashikuni died. | Death day |
| 1989 | American politician George H. W. Bush took office as president. | Inagural Day |
| 1988 | Chess grandmaster from Spain, Jose Angel Guerra Mendez was born. | Birthday |
| 1981 | American politician Ronald Reagan took office as president. | Inagural Day |
| 1980 | Collapse of wooden bleachers at Corralejas bullring/stadium in Colombia killed around 200 people. | Man-Made Disaster |
| 1977 | American politician Jimmy Carter took office as president. | Inagural Day |
| 1974 | Chess grandmaster from Spain, Marc Narciso Dublan was born. | Birthday |
| 1969 | Chess grandmaster from Hungary, Emil Anka was born. | Birthday |
| 1969 | Chess grandmaster from Russia, Mikhail Ivanov was born. | Birthday |
| 1969 | American politician Richard Nixon took office as president. | Inagural Day |
| 1963 | Chess grandmaster from Croatia, Mladen Muse was born. | Birthday |
| 1961 | American politician John F. Kennedy took office as president. | Inagural Day |
| 1957 | Chess grandmaster from Kazakhstan, Evgeny Vladimirov was born. | Birthday |
| 1953 | American politician Dwight D. Eisenhower took office as president. | Inagural Day |
| 1948 | Astronaut from United States, Jerry Ross was born. | Birthday |
| 1936 | King of the United Kingdom, George V died. | Death day |
| 1931 | American physicist David Lee was born. | Birthday |
| 1930 | Astronaut from United States, Edwin Aldrin was born. | Birthday |
| 1928 | Golfer from United States, Lionel Hebert was born. | Birthday |
| 1926 | American actress Patricia Neal was born. | Birthday |
| 1915 | Pakistani politician Ghulam Ishaq Khan was born. | Birthday |
| 1905 | 200 people died in Carslruhe theater fire at St. Petersburg, Russia. | Man-Made Disaster |
| 1901 | Belgian electrical engineer Zenobe Gramme died. | Death day |
| 1896 | American actor George Burns was born. | Birthday |
| 1873 | Danish author Johannes Vilhelm Jensen was born. | Birthday |
| 1868 | Japanese politician Keisuke Okada was born. | Birthday |
| 1857 | Russian neurologist Vladimir Bekhterev was born. | Birthday |
2019-01-20