He advocated the creation of a Hungarian port at Fiume.
The landowner to whom Nicholas went was a bachelor, an old cavalryman, a horse fancier, a sportsman, the possessor of some century-old brandy and some old Hungarian wine, who had a snuggery where he smoked, and who owned some splendid horses.
His complete works were published in Hungarian at Budapest in 1880-1895.
He became a good Hungarian scholar.
He also renewed the claim which had been made by his predecessor, Adolf, on Thuringia, and interfered in a quarrel over the succession to the Hungarian throne.