Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:event
|
| gptkbp:activities |
gptkb:community_service
environmental education tree planting |
| gptkbp:date |
April 22, 1990
|
| https://www.w3.org/2000/01/rdf-schema#label |
Earth Day 1990
|
| gptkbp:location |
gptkb:United_States
|
| gptkbp:organizer |
gptkb:Earth_Day_Network
|
| gptkbp:participants |
millions of people
|
| gptkbp:significance |
20th anniversary of Earth Day
|
| gptkbp:theme |
Clean Up the Earth
|
| gptkbp:bfsParent |
gptkb:Senator_Gaylord_Nelson
|
| gptkbp:bfsLayer |
5
|