YearrooWhen was Pluto reclassified as a dwarf planet?
200621st century · 2000s
Pluto is reclassified as a dwarf planet.
By the International Astronomical Union.
2006
150016001700180019002000
Around the same time
- When was Facebook launched?2004
- When was Gmail launched?2004
- When was the Indian Ocean tsunami?2004
- When did the Red Sox win the World Series for the first time since 1918?2004
- When was YouTube founded?2005
- When did Hurricane Katrina hit New Orleans?2005
- When was Twitter launched?2006
- When did the first iPhone go on sale?2007
Some events played out over months or years, so we use the year they are best known for. Spotted a mistake? Email [email protected].