time of discovery or invention

http://www.wikidata.org/prop/direct/P575

Used as a Predicate in:

Schema Name	Schema Link
interstellar object	https://www.wikidata.org/wiki/EntitySchema:E127
extrasolar planet	https://www.wikidata.org/wiki/EntitySchema:E128
UNESCO world heritage site	https://www.wikidata.org/wiki/EntitySchema:E142
Data Structure	https://www.wikidata.org/wiki/EntitySchema:E177
Algorithm	https://www.wikidata.org/wiki/EntitySchema:E178
virus taxon	https://www.wikidata.org/wiki/EntitySchema:E192
statue	https://www.wikidata.org/wiki/EntitySchema:E99

Used as an Object in:

Schema Name	Schema Link
interstellar object	https://www.wikidata.org/wiki/EntitySchema:E127
extrasolar planet	https://www.wikidata.org/wiki/EntitySchema:E128
UNESCO world heritage site	https://www.wikidata.org/wiki/EntitySchema:E142
Data Structure	https://www.wikidata.org/wiki/EntitySchema:E177
Algorithm	https://www.wikidata.org/wiki/EntitySchema:E178
statue	https://www.wikidata.org/wiki/EntitySchema:E99