Second Serbian Uprising — 1815–1817 revolt in Serbia against the Ottoman Empire

Unification of Italy — creation of the politically and administratively integrated nation of Italy (1815–1871)

1815 treaties between the United States and Algeria

1815 eruption of Mount Tambora — catastrophic volcanic eruption in present-day Indonesia

Ottoman battle in Hejaz, 19th century

Congress of Vienna — conference of ambassadors of European states (September/November 1814 to June 1815)

Capture of HMS Cyane

Battle of the Neapolitan War

1815 siege during the Neapolitan War

1815 conflict of the Napoleonic Wars

1815 treaty between Naples and Austria