March 16, 1815: Prince Willem of the House of Orange-Nassau proclaims himself King of the United Kingdom of the Netherlands, the first constitutional monarch in the Netherlands.
March 17, 1805: The Italian Republic (with Napoleon as president) becomes the Kingdom of Italy (with Napoleon as King).
March 18, 1834: Six farm laborers from Tolpuddle, Dorset, England are sentenced to be transported to Australia for forming a trade union.
March 19, 1812: The Spanish Constitution of 1812 is established by Spain’s first national sovereign assembly.
March 20, 1815: Napoleon enters Paris with 140,000 regular troops and approximately 200,000 volunteers, beginning his Hundred Days.
March 21, 1801: The Battle of Alexandria is fought between British and French forces near the ruins of the Nicopolis in Egypt.
March 22, 1809: Charles XIII succeeds Gustav IV Adolf to the Swedish throne.