| date | entity | event | name |
|---|---|---|---|
| 21/02/1947 | former country | data end | Provisional People's Committee of North Korea |
| 21/02/2001 | game | date released | Fear Effect 2: Retro Helix |
| 21/02/2011 | organization | date founded | Macarthur Astronomy Forum |
| 21/02/2011 | organization | date founded | Etalab |
| 21/02/1958 | organization | date founded | Centre de civilisation française et d27études francophones |