- Africa
Dar al-Kuti founded under Wadai
The sultanate of Dar al-Kuti was established as a tributary of Dar Runga and ultimately of Wadai, becoming a staging ground for slave raids into the Banda and Nzakara lands to the south.
Era: Zande States and the Slave Trade
Sources: Dar al-Kuti · Wikipedia, Central African Republic — History · Encyclopaedia Britannica
- South America
Breakup of Gran Colombia
Venezuela and Ecuador secede and Bolivar dies near Santa Marta; the union dissolves, leaving New Granada as a separate state.
Era: Independence and Gran Colombia
Sources: Gran Colombia · Encyclopaedia Britannica, Simon Bolivar · Encyclopaedia Britannica
- North America
Morazán leads the federation
The Honduran Liberal Francisco Morazán serves as president of the United Provinces, fighting to preserve the union against Conservative revolts.
Era: Independence, Federation, and Morazán
Sources: Francisco Morazán · Encyclopaedia Britannica
- South America
First constitution sworn
The Oriental Republic of Uruguay adopts its first national constitution, formally organising the new state.
Era: Artigas, the Thirty-Three, and Independence
Sources: Uruguay: The struggle for national identity · Encyclopaedia Britannica
- South America
The Constitution of 1833
A conservative constitution shaped by Diego Portales establishes a strong centralised presidency, anchoring decades of unusual political stability.
Era: Independence and the Building of a Republic
Sources: History of Chile · Encyclopaedia Britannica
- Asia
Treaty of Amity and Commerce with the United States
Said bin Sultan's government concluded a Treaty of Amity and Commerce with the United States, the first bilateral treaty between Washington and an Arab Gulf state.
Era: The Al Bu Said Dynasty and the Empire of Zanzibar
Sources: History of the U.S.-Oman Relationship · U.S. Embassy in Oman, Said ibn Sultan, Omani ruler and Zanzibar sultan · Encyclopaedia Britannica
- Europe
Slavery Abolition Act
Parliament abolished slavery across most of the British Empire, effective 1834, freeing more than 800,000 people while compensating former slave-owners rather than the enslaved.
Era: Empire, industry, and the Victorian age
Sources: Slavery Abolition Act · Encyclopaedia Britannica
- North America
Slavery Abolition Act takes effect
The British Slavery Abolition Act came into force in the Bahamas on 1 August 1834, beginning emancipation; after an apprenticeship period, full freedom followed in 1838.
Era: Loyalists, slavery and emancipation
Sources: Bahamas: Local History and Genealogy — Research Guide · Library of Congress, The Bahamas — British colonization (History) · Encyclopaedia Britannica
- Africa
Abolition of slavery at the Cape
Slavery was abolished across the British Empire, freeing enslaved people at the Cape and deepening Boer discontent that helped spark the Great Trek.
Era: British rule, the Mfecane, the Zulu kingdom and the Boer republics
Sources: History of slavery and early colonisation in South Africa · South African History Online, South Africa (country, history and government) · Encyclopaedia Britannica
- North America
Abolition of slavery
Under Britain's Slavery Abolition Act, slavery ended in Trinidad and Tobago on 1 August 1834, though a transitional 'apprenticeship' kept the freed people tied to the estates.
Era: British conquest and the much-contested Tobago
Sources: Trinidad and Tobago: History · Encyclopaedia Britannica, T&T History Timeline · National Trust of Trinidad and Tobago
- Africa
Ottomans restore direct rule
Sultan Mahmud II ends the Karamanli dynasty and reimposes direct Ottoman administration over Tripolitania.
Era: Ottoman Rule and the Karamanli Dynasty
Sources: Ottoman Tripolitania · Wikipedia
- Africa
Abolition of slavery
Slavery is formally ended in Mauritius, freeing tens of thousands of enslaved people, followed by a transitional 'apprenticeship'.
Era: British Mauritius: Abolition & Indenture
Sources: Mauritius · Encyclopædia Britannica, Le Morne Cultural Landscape (World Heritage List) · UNESCO World Heritage Centre
- Africa
Abolition of slavery
Emancipation freed the several thousand enslaved Africans who formed the majority of the colony's population.
Era: British Rule and Emancipation
Sources: History of Seychelles · Wikipedia, History of Slavery · Seychelles National Museum
- Africa
Portugal abolishes the slave trade
Portugal formally outlawed the transatlantic slave trade, ending Luanda's centuries as a slaving port, though clandestine traffic and later forced labour persisted in Angola.
Era: The slow conquest of the interior
Sources: Slavery in Angola · Wikipedia, Portuguese Angola · Wikipedia
- North America
- Europe
The Victorian era and the height of empire
During Queen Victoria's long reign Britain became the world's foremost industrial and imperial power, its empire eventually spanning about a quarter of the globe.
Era: Empire, industry, and the Victorian age
Sources: Victoria, Queen of the United Kingdom · Encyclopaedia Britannica, British Empire · Encyclopaedia Britannica
- North America
Emancipation completed
Following abolition across the British Empire from 1834, the apprenticeship system ended in British Honduras on 1 August 1838, freeing the enslaved; the freed African population formed the core of the colony's Creole society.
Era: British Honduras and a plural society
Sources: History of Belize · Encyclopædia Britannica, Guyana and Belize: Country Studies (Federal Research Division) · Library of Congress
- North America
Withdrawal from the federation
Disenchanted with the strife of the United Provinces of Central America, Costa Rica severs its federal ties and charts an independent course.
Era: Independence and a Coffee Republic
Sources: History of Costa Rica · Encyclopaedia Britannica, Costa Rica: Independence · Encyclopaedia Britannica
- North America
Founding of La Trinitaria
Juan Pablo Duarte founds the clandestine society La Trinitaria, organised in three-man cells, to undermine Haitian rule and build a movement for Dominican independence.
Era: Haitian Rule and Dominican Independence
Sources: Juan Pablo Duarte · Encyclopaedia Britannica
- North America
Emancipation
After the Abolition Act of 1833 and a period of apprenticeship, the enslaved people of Jamaica gain full freedom.
Era: Sugar, Slavery, and Resistance
Sources: Jamaica: British rule · Encyclopaedia Britannica, Jamaica: History · Encyclopaedia Britannica
- North America
Separation from the Central American federation
Amid regional rivalry, Nicaragua withdraws from the Federal Republic of Central America to become a fully sovereign state.
Era: Independence, Rivalry, and the Filibuster
Sources: History of Nicaragua · Encyclopædia Britannica
- North America
Full emancipation
The apprenticeship system ended on 1 August 1838, granting the formerly enslaved full freedom and leaving the colony's planters scrambling for new sources of labour.
Era: British conquest and the much-contested Tobago
Sources: Trinidad and Tobago: History · Encyclopaedia Britannica, Indian Arrival Day · National Library and Information System Authority (NALIS), Trinidad and Tobago
- Europe
Treaty of London: the cession to Belgium
The 1839 Treaty of London partitioned the Grand Duchy a third time, ceding its larger French-speaking western half to the new kingdom of Belgium while confirming the independence of the German-speaking remainder.
Era: The Grand Duchy, the Second and Third Partitions, and Neutrality
Sources: The history of the Nassau dynasty · Cour grand-ducale (Grand Ducal Court of Luxembourg), History of the city of Luxembourg · Luxembourg City Tourist Office
- Asia
The Tanzimat reforms
A wave of modernising reforms reorganised Ottoman law, taxation, education and the military in an effort to halt the empire's decline and integrate its diverse subjects.
Era: The Ottoman Empire: Height and Decline
Sources: Ottoman Empire · Encyclopædia Britannica
Politics & Power in the 1830s
Every event in the Terralore archive tagged politics and power — dynasties, constitutions, revolutions and changes of regime, narrowed to the 1830s — 24 of them, drawn from 22 nations, running from 1830 to 1839. Each entry keeps the sources it was verified against and links back to the chronicle it came from.
- Events
- 24
- Nations
- 22
- Earliest
- 1830
- Latest
- 1839
- North America
- 10
- Africa
- 6
- Europe
- 3
- South America
- 3
- Asia
- 2
Every entry below is the same record, with the same sources, as the one on its nation’s chronicle.