Complex sentence: It was completed in December 1882, with an approriation from the legislature of $47,500, after which the king invited all 120 members of Lodge Le Progres de L’Oceanie to the palace for a lodge meeting.
Split into simpler sentences: It was completed in December 1882, with an appropriation from the legislature of $47,500. Immediately upon completion, the king invited all 120 members of Lodge Le Progres de L’Oceanie to the palace for a lodge meeting.