Births on September 15

Halfdan Kjerulf, Norwegian journalist and composer (d. 1868)

Halfdan Kjerulf (17 September 1815 – 11 August 1868) was a Norwegian composer.

8 Jan

Battle of New Orleans
War of 1812: Battle of New Orleans: Andrew Jackson leads American forces in victory over the British.
1 Mar

Hundred Days
Napoleon returns to France from his banishment on Elba, start of the Hundred Days.
20 Mar

Hundred Days
After escaping from Elba, Napoleon enters Paris with a regular army of 140,000 and a volunteer force of around 200,000, beginning his "Hundred Days" rule.
18 Jun

Battle of Waterloo
Napoleonic Wars: The Battle of Waterloo results in the defeat of Napoleon Bonaparte by the Duke of Wellington and Gebhard Leberecht von Blücher forcing him to abdicate the throne of France for the second and last time.
15 Jul

HMS Bellerophon (1786)
Napoleonic Wars: Napoleon Bonaparte surrenders aboard HMS Bellerophon.