Deletion of Pi Day Die Day

Comment: for now and https://en.wikipedia.org/w/index.php?title=Pi_Day_Die_Day&type=revision&diff=786399706&oldid=786088369 continue work per available sources, with a note to author about  and  as covered by 
Stance: keep
Cited policy: Wikipedia:Ownership of content (WP:OWN||WP:COI||WP:PRIMER)