Except in those Hussite wars for Kaiser Sigismund and the Reich, in which no man could prosper, he may be defined as constantly prosperous.

To Brandenburg he was, very literally, the blessing of blessings; redemption out of death into life.

In the ruins of that old Friesack Castle, battered down by Heavy Peg, Antiquarian Science (if it had any eyes) might look for the tap-root of the Prussian Nation, and the beginning of all that Brandenburg has since grown to under the sun.
Friedrich, in one capacity or another, presided over Brandenburg near thirty years.

He came thither first of all in 1412; was not completely Kurfurst in his own right till 1415; nor publicly installed, "with 100,000 looking on from the roofs and windows," in Constance yonder, till 1417,--age then some forty-five.

His Brandenburg residence, when he happened to have time for residing or sitting still, was Tangermunde, the Castle built by Kaiser Karl IV.