Formation of the USSR
Four republics sign a treaty forming a new union
On 30 December 1922 the Russian SFSR, Ukrainian SSR, Byelorussian SSR and Transcaucasian SFSR signed the treaty creating the Union of Soviet Socialist Republics. The USSR became the world's largest state by area and a leading force of the 20th century.
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Did you know
In November 1922 Howard Carter peered into Tutankhamun's tomb; just over a month later the USSR was founded.
Meanwhile around the world (±25 years)
Whole world
- 1914–1918 World War I — 8 years earlier
- 1918–1920 Spanish flu pandemic — 4 years earlier
- 1920 League of Nations founded — 2 years earlier
- 1939–1945 World War II — 17 years later
- 1947–1991 Cold War — 25 years later
Europe
- 1905 Einstein's miracle year and relativity — 17 years earlier
- 1919 Treaty of Versailles — 3 years earlier
- 1928 Discovery of penicillin — 6 years later
- 1933 Hitler comes to power — 11 years later
- 1936–1939 Spanish Civil War — 14 years later
Middle East
- 1908 Oil struck at Masjed Soleyman — 14 years earlier
- 1915 Armenian genocide — 7 years earlier
- 1916 Sykes–Picot Agreement — 6 years earlier
- 1916–1918 The Arab Revolt — 6 years earlier
- 1932 Kingdom of Saudi Arabia proclaimed — 10 years later
Africa
- 1897 The British sack Benin City — 25 years earlier
- 1904–1908 The Herero and Nama genocide — 18 years earlier
- 1922 Discovery of Tutankhamun's tomb — same year
- 1935–1937 Italy invades Ethiopia — 13 years later
Asia
- 1911–1912 Xinhai Revolution — 11 years earlier
- 1923 Great Kantō earthquake — 1 year later
- 1931 China floods — 9 years later
- 1934–1935 Long March — 12 years later
- 1945 Atomic bombing of Hiroshima — 23 years later
Americas
- 1913 Ford's moving assembly line — 9 years earlier
- 1914 Opening of the Panama Canal — 8 years earlier
- 1914 Death of Martha, the last passenger pigeon — 8 years earlier
- 1929 Wall Street Crash and the Great Depression — 7 years later
- c. 1930–1936 Dust Bowl — 8 years later
Oceania
- 1911 Amundsen reaches the South Pole — 11 years earlier
- 1912 The death of Scott's polar party — 10 years earlier
- 1936 Death of the last thylacine — 14 years later
- 1941 Attack on Pearl Harbor — 19 years later
- 1942 The Battle of Midway — 20 years later
Alive at the time
- Thomas Edison (aged 75)
- Nikola Tesla (aged 66)
- Marie Curie (aged 55)
- Mahatma Gandhi (aged 53)
- Vladimir Lenin (aged 52)
- Ernest Rutherford (aged 51)
- Winston Churchill (aged 48)
- Joseph Stalin (aged 44)
- Albert Einstein (aged 43)
- Pablo Picasso (aged 41)