Reference for I Kings 2:12

וּשְׁלֹמֹ֕ה יָשַׁ֕ב עַל־כִּסֵּ֖א דָּוִ֣ד אָבִ֑יו וַתִּכֹּ֥ן מַלְכֻת֖וֹ מְאֹֽד׃

And Solomon sat upon the throne of David his father; and his kingdom was established firmly.