Assertion: birthday | /r/HasProperty | june
Facets:
value: according to superman
type: OTHER
Source sentences:
text: According to Action Comics #241 (1958), June 10 is “Earthday”, the day that he came to Earth, but according to Superman #263 (1973), his birthday is June 18, when he was adopted by the Kents.
text: The Birthday of the World" – June 2000 in The Magazine of Fantasy and Science Fiction .