He bargained that the sad ceremony should be at least private; on an Island in the Danube, between the two retinues or armies; and in a tent, so that only official select persons might see it.

The Island is called CAMBERG (near Vienna, I conclude), in the middle of the Donau River: there Ottocar accordingly knelt; he in great pomp of tailorage, Rudolf in mere buff jerkin, practical leather and iron;--hide it, charitable canvas, from all but a few! Alas, precisely at this moment, the treacherous canvas rushes down,--hung so on purpose, thinks Ottocar; and it is a tent indeed; but a tent without walls; and all the world sees me in this scandalous plight! Ottocar rode home in deep gloom; his poor Wife, too, upbraided him: he straightway rallied into War again; Rudolf again very ready to meet him.
Rudolf met him, Friedrich of Nurnberg there among the rest under the Reichs-Banner; on the Marchfeld by the Donau (modern WAGRAM near by); and entirely beat and even slew and ruined Ottocar.

[26th August, 1278 (Kohler, p.

253.)] Whereby Austria fell now to Rudolf, who made his sons Dukes of it; which, or even Archdukes, they are to this day.

Bohemia, Moravia, of these also Rudolf would have been glad; but of these there is an heir of Ottocar's left; these will require time and luck.
Prosperous though toilsome days for Rudolf; who proved an excellent bit of stuff for a Kaiser; and found no rest, proving what stuff he was.
In which prosperities, as indeed he continued to do in the perils and toils, Burggraf Friedrich III.