Fter centuries of being passed between genoa, france and sardinia what european country was finally granted sovereignty in 1861?

Monaco was granted sovereignty in 1861

Explanation:

Assigned as a protectorate of the Kingdom of Sardinia in 1815 by the Congress of Vienna after Napoleon's destruction, Monaco's power was affirmed by the Franco-Monegasque Treaty of 1861. France acknowledged the presence of the Principality of Monaco however added 95% of its previous territory. Monaco's military safeguard from that point forward has been the responsibility of France.

answer; the period of time known as the middle ages;