- — Africa:
Union of South Africa
The four British colonies were united into the self-governing Union of South Africa under the South Africa Act, a white-controlled state that excluded the Black majority from political power.
Era: Diamonds, gold, the South African War and Union
Sources: The Union of South Africa 1910 · South African History Online, South Africa Act · Encyclopaedia Britannica, South Africa (country, history and government) · Encyclopaedia Britannica
- — Asia:
Republic of China founded; last emperor abdicates
Sun Yat-sen becomes provisional president of the Republic of China on 1 January 1912, and on 12 February the child emperor Puyi abdicates, ending more than two millennia of imperial rule.
Era: The Fall of the Empire: Republic, Warlords, and War
Sources: China · Encyclopaedia Britannica
- — Europe:
Ukrainian People's Republic proclaimed
Amid the Russian Revolution, the Central Rada in Kyiv under Mykhailo Hrushevsky proclaimed the Ukrainian People's Republic, the first modern Ukrainian state.
Era: National Awakening and the Ukrainian People's Republic
Sources: Ukraine: World War I and the struggle for independence · Encyclopaedia Britannica, History of Ukraine · Encyclopaedia Britannica
- — Europe:
Foundation of Czechoslovakia
With Austria-Hungary collapsing, independence was proclaimed in Prague on 28 October 1918; Tomas Garrigue Masaryk became the first president of the new multi-ethnic democratic republic.
Era: Czechoslovakia, the Munich Betrayal and Nazi Occupation
Sources: Tomas Masaryk · Encyclopaedia Britannica, Foundation of Czechoslovakia · National Museum, Prague (Google Arts & Culture)
- — Europe:
Union of Transylvania with Romania
A great national assembly of Romanians at Alba Iulia proclaimed the union of Transylvania with the Kingdom of Romania, the central act in the creation of Greater Romania.
Era: Greater Romania: the Great War and the union of Transylvania
Sources: Treaty of Trianon · Encyclopaedia Britannica
- — Europe:
Kingdom of Serbs, Croats and Slovenes proclaimed
Prince Regent Alexander proclaimed the South Slav kingdom in Belgrade, uniting Serbia and Montenegro with former Habsburg lands under the Serbian crown; it was renamed Yugoslavia in 1929.
Era: The Birth of Yugoslavia and the World Wars
Sources: Kingdom of Serbs, Croats and Slovenes · Encyclopaedia Britannica, Serbia in the Yugoslav kingdom · Encyclopaedia Britannica
- — Europe:
Czechoslovakia and the Martin Declaration
Czechoslovakia was declared in Prague on 28 October 1918; on 30 October the Slovak National Council endorsed the union in the Martin Declaration, giving the Slovaks their first modern statehood alongside the Czechs.
Era: Czechoslovakia, the Slovak State and the Uprising
Sources: Czechoslovakia · Encyclopaedia Britannica, History of Slovakia · Slovakia.travel (official tourism portal)
- — Europe:
Birth of the Yugoslav kingdom
After the brief State of Slovenes, Croats and Serbs, the Slovene lands joined the Kingdom of Serbs, Croats and Slovenes, proclaimed on 1 December 1918 and renamed the Kingdom of Yugoslavia in 1929.
Era: Into Yugoslavia: War, Partition and Contested Borders
Sources: Kingdom of Serbs, Croats, and Slovenes · Encyclopaedia Britannica, Slovenia since 1918 · Encyclopaedia Britannica
- — Europe:
Founding of the Byelorussian SSR
As the Germans withdrew, the Bolsheviks announced the Byelorussian Soviet Socialist Republic; in 1922 it became one of the four founding republics of the Soviet Union.
Era: People's Republic, Soviet Republic and Terror
Sources: Belarus: The emergence of the Belorussian S.S.R. · Encyclopaedia Britannica
Formation in the 1910s
Every event in the Terralore archive tagged formation — origins, unifications and the founding of states as each nation's archive records them, narrowed to the 1910s — 9 of them, drawn from 9 nations, running from 1910 to 1919. Each entry keeps the sources it was verified against and links back to the chronicle it came from.
- Events
- 9
- Nations
- 9
- Earliest
- 1910
- Latest
- 1919
- Europe
- 7
- Africa
- 1
- Asia
- 1
Every entry below is the same record, with the same sources, as the one on its nation’s chronicle.