[1] According to Gaster (1911) it was alleged that he conceived the plan of marching on Constantinople to drive the Ottoman Empire out of Europe, the western powers having promised him their moral support.

Cantacuzino also asked the Austrians to give a few fake cannon shots when they will see the Wallachians working on the construction of the bridge and they will withdraw immediately.

[8] On 1 September, Șerban ordered his soldiers to make a three-meter oak cross in the Gatterhölzel forest, near Schönbrunn, close to his tent.

NOS DEI GRATIA SERVANUS CANTHACUZENUS VALACHIAE TRANSALPINAE PRINCEPS EIUSDEMQUE PERPETUUS HÆRES AC DOMINUS & EREXIMUS CRUCEM HANC IN LOCO QUAVIS DIE DEVOTIONE POPULI ET SACRO HONORATIO IN PERPETUAM SUI SUORUMQUE MEMORIAM TEMPORE OBSIDIONIS MAHOMETANAE VEZIRIO KARA MUSTAPFA BASSA VIENNENSIS INFERIORIS AUSTRIAE MENSE SEPTEMB DIE I. ANNO 1683[clarification needed]

MEMENTO MORI[10]After the attack led by John III Sobieski on 12 September, the Wallachian troops, who had not taken part in the fighting, crossed the Danube and headed east.

[12][13] There is speculation that he was in fact poisoned by boyars who resented his vast, unrealistic and dangerous projects (presumably by his brothers, Constantin and Mihai Cantacuzino [ro]).