Dashed left edge = started before July 1820 ·
Dashed right edge = ongoing beyond July 1820
Events in July 1820 1
1820Carbonari uprising in the Kingdom of Two SiciliesSecret society forces King Ferdinand I to grant a constitutionMilitary officers tied to the Carbonari secret society rose up in Nola and marched on Naples, demanding constitutional government. King Ferdinand I capitulated and swore to uphold a Spanish-style constitution, though Austrian troops would crush the new regime the following year.