- — Africa:
Decline as the slave trade is suppressed
The European suppression of the Atlantic slave trade undercut the Loango coast's economy; the kingdom fragmented into small chieftaincies and had effectively ceased to exist as a unified state by the early 1880s.
Era: Loango ports and the Atlantic slave trade
Sources: Kingdom of Loango · Encyclopædia Britannica, Kingdom of Loango · Wikipedia, Congo-Brazzaville — Early History · GlobalSecurity.org
- — North America:
Diplomatic relations established
Costa Rican minister Felipe Molina presents his credentials in Washington; a US consulate opens in San Jose the following year.
Era: Independence and a Coffee Republic
Sources: A Guide to the United States' History of Recognition: Costa Rica · U.S. Department of State, Office of the Historian
- — Africa:
Bornu's enduring influence
The empire of Kanem-Bornu near Lake Chad continued to project Islamic culture and political weight over Niger's east, where many small states had begun as its tributaries.
Era: Hausa states, Damagaram and the shadow of Bornu
Sources: History of Niger · Wikipedia, Niger (country) · Encyclopaedia Britannica
- — Europe:
Penal colonies in French Guiana
From 1852 France sends convicts to penal camps in French Guiana, including the Îles du Salut. A decree of 1938 ends transportation; the last return convoy leaves in 1953. The Archives nationales d’outre-mer database covers nearly 100,000 convicts sent to French Guiana or New Caledonia between 1852 and 1953.
Era: Revolution & Empire
Sources: Base des bagnards (Archives nationales d’outre-mer), announcement · RFgenealogie, Chronologie sommaire de la transportation · Académie de la Guyane (Éducation nationale)
- — Europe:
Montenegro becomes a secular principality
Danilo renounced the office of prince-bishop, married and proclaimed himself prince, ending the theocracy; his 1855 code gave the principality its first modern legal framework.
Era: Secular Principality, the Congress of Berlin and the Kingdom
Sources: Montenegro: History · Encyclopaedia Britannica, Danilo II, prince-bishop and first secular prince of Montenegro · Encyclopaedia Britannica
- — South America:
The National Constitution
A constituent congress at Santa Fe sanctions the Constitution of 1853, establishing a federal, representative and republican state.
Era: Civil Wars, Unification and the Liberal Republic
Sources: Justo Jose de Urquiza · Encyclopaedia Britannica, Argentina · Encyclopaedia Britannica
- — Asia:
The Perpetual Maritime Truce
The Treaty of Maritime Peace in Perpetuity committed the rulers to a permanent truce at sea, giving the coast the name Trucial Coast and its statelets the name Trucial States.
Era: The Qawasim and the Making of the Trucial States
Sources: Perpetual Maritime Truce of 1853 · Encyclopaedia Britannica, History of the United Arab Emirates · Encyclopaedia Britannica
- — Oceania:
Eureka Stockade
Goldminers at Ballarat rebelled against oppressive licensing and the denial of political rights; troops stormed their stockade, killing more than twenty, but the revolt helped secure democratic reforms.
Era: Colonial expansion, gold rushes, and frontier conflict
Sources: Defining Moments: Eureka Stockade · National Museum of Australia, Australian gold rushes · Encyclopaedia Britannica
- — Africa:
Tewodros II reunifies Ethiopia
Kassa Hailu defeats the regional warlords and is crowned Emperor Tewodros II, ending the Era of the Princes and launching efforts to centralise and modernise the state.
Era: Gondar, the Era of the Princes and Reunification
Sources: Gondarine period · Wikipedia, Ethiopia (country overview) · Encyclopaedia Britannica
- — Asia:
Death of Said and the split of the empire
On Said bin Sultan's death his realm was divided between his sons, one taking Muscat and Oman and the other Zanzibar, severing the African empire from Arabia.
Era: The Al Bu Said Dynasty and the Empire of Zanzibar
Sources: Said ibn Sultan, Omani ruler and Zanzibar sultan · Encyclopaedia Britannica, Al Bu Said dynasty · Encyclopaedia Britannica
- — Africa:
Zanzibar becomes a separate sultanate
On Said's death his domains are divided; his son Majid becomes the first sultan of Zanzibar, separating the islands from Oman.
Era: The Portuguese and Omani Zanzibar
Sources: Sultanate of Zanzibar (1856–1964) · BlackPast.org, Saʿīd ibn Sulṭān · Encyclopaedia Britannica
- — North America:
Constitution of the Reform
The liberal Constitution of 1857 limits church and army privileges and establishes a bill of rights, deepening conflict between liberals and conservatives.
Era: Reform, Porfiriato, and Revolution
Sources: La Reforma · Encyclopaedia Britannica, Benito Juarez · Encyclopaedia Britannica
- — North America:
The Anglo-Guatemalan boundary treaty
Britain and Guatemala signed a treaty fixing the settlement's limits from the Río Hondo to the Sarstoon; the unfulfilled Article 7, promising a means of communication never built, became the root of Guatemala's later claim.
Era: British Honduras and a plural society
Sources: The Belize–Guatemala Territorial Differendum (Peace Fund) · Organization of American States, Guatemala's Territorial, Insular and Maritime Claim (Guatemala/Belize), Case No. 177 · International Court of Justice, Our History · Ministry of Foreign Affairs, Government of Belize
Politics & Power in the 1850s
Every event in the Terralore archive tagged politics and power — dynasties, constitutions, revolutions and changes of regime, narrowed to the 1850s — 13 of them, drawn from 13 nations, running from 1850 to 1859. Each entry keeps the sources it was verified against and links back to the chronicle it came from.
- Events
- 13
- Nations
- 13
- Earliest
- 1850
- Latest
- 1859
- Africa
- 4
- North America
- 3
- Asia
- 2
- Europe
- 2
- Oceania
- 1
- South America
- 1
Every entry below is the same record, with the same sources, as the one on its nation’s chronicle.