The King of France, the Pope, and the Duke of Savoy all recognize Monaco's sovereignty.
Monaco allies itself with Spain and becomes a Spanish protectorate.
The French revolution disposes the Grimaldi family in control of Monaco and unifies Monaco with France.
Monaco is returned to the Grimaldi family and becomes a Sardinian protectorate until 1860.
Monaco's independence is restored under the Franco-Monegasque treaty.
Monaco joins the United Nations, becoming its smallest member state.
Monaco doubles it port capacity by building a massive floating pier.