| Year | Month | Day | Event |
|---|---|---|---|
| 1930 | May | 01 | The Dwarf Planet Pluto Is Officially Named |
| 1983 | Apr | 25 | Pioneer 10 Travels Beyond Pluto's Orbit |
| 2006 | Jan | 19 | NASA Launches Probes First Time To Pluto |
| 2006 | Jun | 21 | Pluto's New Moons Are Named Nix Hydra |
| 2012 | Jul | 11 | Pluto's Fifth Moon, Styx, Discovered |
| 2013 | Jul | 02 | Pluto's 4th And 5th Moons Named |