Battle of Puebla
Mexican forces defeat a French expeditionary army at Puebla, a victory later commemorated as Cinco de Mayo.
Mexican forces defeat a French expeditionary army at Puebla, a victory later commemorated as Cinco de Mayo.
The Nguyễn court cedes three eastern provinces of Cochinchina to France.
The Edict of Gülhane opens the Tanzimat, a series of reforms modernising Ottoman administration, law and the army.
A series of armed conflicts between the colonial government and Māori iwi, chiefly over land and sovereignty, which led to large confiscations of Māori land.
Hong Xiuquan's movement founds the 'Taiping Heavenly Kingdom'; the ensuing civil war causes tens of millions of deaths.
After the 1857 rebellion, the Government of India Act transfers rule from the East India Company to the British Crown; the Mughal Empire formally ends.
War between the Union and the seceding Confederate states, centred on slavery, ending in Union victory and the abolition of slavery.