1839 Chinese destruction of illegal opium seized from British traders, which led to the First Opium War

July 15-16, 1839, battle in the Cherokee War

1839 military Conquest; Russian colonisation of Central Asia

1839 series of riots and forced conversions of Jews to Islam in Iran

Failed Russian invasion of the Khanate of Khiva

1839 British capture of Aden

1839 battle of the War of the Confederation

Treaty signed on 19 April 1839

1839 battle in the Mexican Federalist War

Political crisis in the United Kingdom

1839 military action during Caucasian War.