On 8th October 2021 Viktor Kanász research fellow of Fraknói Research and Dorottya Kriston (Vestigia Research Group, PPKE BTK) gave a joint lecture at ELTE's Youth Conference in Budapest. During they lecture on Pietro Duodo's work about the Habsburg Empire and Hungarian Kingdom Kanász and Kriston analyzed Duodo venetian agent's historical work. Duodo informed precisely the Venetian Signoria about the Hungarian circumstances under the rule of Rudolf I. of Austria. This document is a new step to understand the complicated relation between the Hungarian Kingdom and Italian states in the early seventeenth century.