Statements (20)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:annual_event | 
| gptkbp:activity | math discussions pi recitation contests pie eating | 
| gptkbp:celebrates | mathematical constant pi | 
| gptkbp:coexistedWith | Albert Einstein's birthday | 
| gptkbp:date | March 14 | 
| gptkbp:firstObserved | 1988 | 
| gptkbp:observedBy | gptkb:United_States many countries | 
| gptkbp:proposedBy | gptkb:Larry_Shaw | 
| gptkbp:reasonForDate | 3/14 resembles 3.14, the first digits of pi | 
| gptkbp:recognizedBy | gptkb:U.S._House_of_Representatives_(2009) | 
| gptkbp:relatedTo | gptkb:Albert_Einstein gptkb:mathematics gptkb:International_Day_of_Mathematics | 
| gptkbp:symbol | π | 
| gptkbp:bfsParent | gptkb:Pi | 
| gptkbp:bfsLayer | 6 | 
| https://www.w3.org/2000/01/rdf-schema#label | Pi Day |