- First humans (30,000 years ago)
- Ligurian culture (Pre-Roman era)
- Phoenicians arrive (Pre-Roman era)
- Gallic Wars (58 - 50 BC)
- Rome annexes Monaco (50 BC)
- Ostrogothic kingdom (469 - 553 AD)
- Rome recaptures Monaco (6th century AD)
- Lombards conquers Monaco (7th century AD)
- Frankish rule of Monaco (Pre-Holy Roman Empire)
- Republic of Genoa (11th century - 1797)
- Holy Roman Empire annexes Monaco (1191)
- House of Grimaldi (1160 - now)
- Francesco Grimaldi seizes the Rock of Monaco (1297)
- Sardinia kingdom occupies Monaco (1814-1860)
- Monegasque Revolution (1910)
- Monaco succession crisis (1918)
- France agrees to protect Monaco (1918)
- Italy invades Monaco (1942)
- Germany occupies Monaco (1943-1944)
- Revised treaty with France (2002)
(This post includes any nation or civilization that occupied at least a portion of Monaco at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Monaco.)
