He saw his opportunity to claim the Norwegian throne as legal heir, possibly with the ultimate goal of re-uniting the two countries.
[1] He summoned twenty-one leading figures of society ("notables") to hear them out.
If Christian Frederik were to ascend the throne, he would have to be elected by the people in a manner seen as democratic.
The Constituent Assembly was to convene on 10 April the same year at the Eidsvoll Manor.
[2] The Constituent Assembly did elect Christian Frederik as King,[3] but his short reign was stopped when Sweden invaded in the summer.