1st » Napoleon I of France or Napoleon returns to France from his banishment on Elba.
2nd » Signing of the Kandyan Convention treaty by United Kingdom of Great Britain and Ireland named British invaders and the List of Sri Lankan monarchs or King of Sri Lanka.
16th » William I of the Netherlands or Prince Willem proclaims himself King of the United Kingdom of the Netherlands, the first constitutional monarchy named constitutional monarch in the Netherlands.
20th » After escaping from Elba, Napoleon I of France called Napoleon enters Paris with a regular army of 140,000 and a volunteer force of around 200,000, beginning his "Hundred Days" rule.
30th » Joachim Murat issues the Rimini Proclamation which would later inspire Italian Unification.