January
General Andrew Jackson's outnumbered force crushed a British invasion at New Orleans, in a battle fought after the peace treaty had already been signed.
Word of the Treaty of Ghent's ratification and the Battle of New Orleans spread across the Atlantic, closing out the War of 1812 in the public mind.
February
Napoleon Bonaparte escaped exile on Elba with 1,000 loyal soldiers, boarding the brig Inconstant to reclaim France and ignite the Hundred Days.
March
Napoleon Bonaparte entered Paris in triumph after escaping exile on Elba, reclaiming the French throne without firing a shot.
June
Elizabeth Cady Stanton, who would draft the Declaration of Sentiments and co-found the American women's suffrage movement, was born in Johnstown, New York.
European powers signed the Final Act of the Congress of Vienna, redrawing the continent's map after 26 years of revolutionary and Napoleonic war.
Napoleon's army crossed the Sambre River into Belgium, opening the Waterloo campaign three days before the battle that would end his reign for good.
Wellington and Blücher's forces crushed Napoleon's army near Brussels, ending his bid to reclaim power and closing the Napoleonic Wars for good.
November
The Congress of Vienna places the Principality of Monaco under the protection of the Kingdom of Sardinia, restoring the Grimaldi family's rule after French annexation.