| Year | Description | Category |
|---|---|---|
| 1931 | Swedish poet Tomas Transtromer was born. | Birthday |
| 1980 | French philosopher and playwright Jean-Paul Sartre died. | Death day |
| 1907 | Dutch biologist and ornithologist Nikolaas Tinbergen was born. | Birthday |
| 1961 | American molecular biologist Carol W. Greider was born. | Birthday |
| 1896 | Russian and Soviet chemist Nikolay Semyonov was born. | Birthday |
| 1943 | American chemist Robert J. Lefkowitz was born. | Birthday |
| 1874 | German physicist Johannes Stark was born. | Birthday |
| 1896 | The closing ceremony of Games of the I Olympiad, or 1896 Summer olympics was held in Athens. | |
| 1967 | American swimmer Dara Torres was born. | Birthday |
| 1910 | Chess grandmaster from Argentina, Miguel Najdorf was born. | Birthday |
| 1980 | Chess grandmaster from Ukraine, Andrey Sumets was born. | Birthday |
| 1887 | Golfer from United States, Mike Brady was born. | Birthday |
| 1920 | German politician Richard von Weizsacker was born. | Birthday |
| 1883 | Australian politician Stanley Bruce was born. | Birthday |
| 1948 | Filipino politician Manuel Roxas died. | Death day |
| 1865 | American politician Abraham Lincoln died. | Death Day |
| 1865 | American politician Andrew Johnson took office as president. | Inagural Day |
| 1949 | American actor Wallace Beery died. | Death day |
| 1959 | British actress Emma Thompson was born. | Birthday |
| 1933 | Hollywood film Cavalcade was released in theaters. This is one of the highest grossing movies. | Release Date |
| 2002 | Air China Flight 129 aircraft incident at Busan, South Korea, killed 129 people. | Man-Made Disaster |
| 1989 | Hillsborough stadium crush in England killed 96 people. | Man-Made Disaster |
| 1921 | Astronaut from Soviet Union, Georgy Beregovoy was born. | Birthday |
| 1951 | Astronaut from United States, Marsha Ivins was born. | Birthday |
| 1956 | Astronaut from United States, Gregory Harbaugh was born. | Birthday |
| 1951 | Astronaut from United States, John Phillips was born. | Birthday |
| 1965 | Astronaut from Japan, Soichi Noguchi was born. | Birthday |
| 1960 | Astronaut from Russia, Mikhail Korniyenko was born. | Birthday |
| 2019 | Astronaut from United States, Owen Garriott died. | Death day |
| 2017 | Supercentenarian from Italy, Emma Morano died at the age of 117 years, 137 days. | Death day |
| 1710 | Scottish physician and chemist William Cullen was born. | Birthday |
| 1937 | American engineer and scientist Robert W. Gore was born. | Birthday |
| 1765 | Russian polymath and scientist Mikhail Lomonosov died. | Death day |
2019-04-15
