Birthdate – Multiple types: Date [155 occurrences], Integer [78 occurrences], Year [65 occurrences], Wikpedia link [46 occurrences], String [32 occurrences], Yearmonth [1 occurrences], birth_date [birthdate/birth_date173 occurrences], Birth_date [birthdate/Birth_date22 occurrences], OldStyleDate [birthdate/OldStyleDate1 occurrences], birth_date_and_age [birthdate/birth_date_and_age25 occurrences], Birth_date_and_age [birthdate/Birth_date_and_age67 occurrences], baptism_date [birthdate/baptism_date1 occurrences], Bda [birthdate/Bda1 occurrences]
