Ferdinand of Naples had been compelled in…
March 1806 CE
French forces under General André Masséna invade the Kingdom of Naples in the spring of 1806, after the British and Russian forces supposedly defending the kingdom have evacuated Italy altogether: the British to Sicily and the Russians to Corfu.
The Neapolitan-Sicilian army is crushed at the Battle of Campo Tenese, forcing Ferdinand to flee to Sicily and concede the Neapolitan crown to the French.
Napoleon now installs his brother Joseph Bonaparte on the Neapolitan throne on March 30, 1806.