Assertion: calendar's date | /r/HasProperty | mentioned
Facets:
value: much earlier
type: TEMPORAL
Source sentences:
text: Amongst other historically significant information, the work contains the earliest reference to the celebration of Christmas as an annual holiday or feast, on December 25, although unique historical dates had been mentioned much earlier, notably December 25, 3 or 4 BC by Hippolytus of Rome during 202–211.