When (day, month, year) was Shlomo HaMelech anointed king, as according to the pasuk below?
1 Kings 1:45 And Zadok the priest and Nathan the prophet have anointed him king in Gihon, and they have come up from their rejoicing, and (therefore) the city was turbulent, this is the noise you have heard.
https://www.chabad.org/library/bible_cdo/aid/15885/jewish/Chapter-1.htm/showrashi/true