About: http://dbpedia.org/resource/Hayford_Peirce/birthdate/birth_date_and

Property	Value
dbpprop:birthDateAndAgeProperty	1 (xsd:integer) 7 (xsd:integer) 1942 (xsd:integer)
dbpprop:wikiPageUsesTemplate	dbpedia:Template:birth_date_and_age
is dbpprop:birthdate of	dbpedia:Hayford_Peirce

About: http://dbpedia.org/resource/Hayford_Peirce/birthdate/birth_date_and_age