A very interesting account of the impeachment trial of Secretary Belknap is given in Alton's Among the Lawmakers, pages 245-250.

The senate having appointed the time when it would resolve itself into a court of impeachment notifies the house.

Perhaps it was his sanction of the impeachment proceedings by the Norwegian Radicals against the retiring Conservative ministry which, in the early '80's, first served to turn the trend of public opinion in his favor, both in Sweden and Norway.