v t e Documentation science

Has list	Persons (person) Places (human settlement) Artworks (work)

Classification scheme	list of Wikidata properties (related category) list of Wikidata identifiers (related category) ...

start time (P580): time an entity begins to exist or a statement starts being valid
end time (P582): moment when an entity ceases to exist or a statement stops being valid
elevation above sea level (P2044): height of the item (geographical object) as measured relative to sea level
coordinate location (P625): geocoordinates of the subject. For Earth, please note that only WGS84 coordinating system is supported at the moment

single-value constraint (Q19474404): type of constraint for Wikidata properties: used to specify that this property generally contains a single value per item → separator → start time • end time
subject type constraint (Q21503250): type of constraint for Wikidata properties: used to specify that the item described by such properties should be a subclass or instance of a given type → class → geographical feature
value-type constraint (Q21510865): type of constraint for Wikidata properties: used to specify that the value item should be a subclass or instance of a given type → class → geographic location • geographical feature