Red Army invasion of Georgia
Soviet Russia overruns a Georgian republic it had recognised
In February 1921 Red Army units invaded Georgia, although Soviet Russia had signed a peace treaty recognising its independence a year earlier. Tbilisi fell on 25 February, in March Noe Zhordania's government went into exile, and Georgia was proclaimed a Soviet republic.
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Meanwhile around the world (±25 years)
Whole world
- 1914–1918 World War I — 7 years earlier
- 1918–1920 Spanish flu pandemic — 3 years earlier
- 1920 League of Nations founded — 1 year earlier
- 1939–1945 World War II — 18 years later
- 1943 Tehran Conference — 22 years later
Europe
- 1914 Assassination of Franz Ferdinand — 7 years earlier
- 1919 Treaty of Versailles — 2 years earlier
- 1928 Discovery of penicillin — 7 years later
- 1933 Hitler comes to power — 12 years later
- 1936–1939 Spanish Civil War — 15 years later
Eastern Europe & Russia
- 1917 October Revolution — 4 years earlier
- 1917–1922 Russian Civil War — 4 years earlier
- 1929–1933 Collectivization in the Soviet Union — 8 years later
- 1936–1938 Great Purge — 15 years later
- 1941–1944 Siege of Leningrad — 20 years later
Africa
- 1898 Battle of Omdurman — 23 years earlier
- 1899–1902 Second Boer War — 22 years earlier
- 1904–1908 The Herero and Nama genocide — 17 years earlier
- 1922 Discovery of Tutankhamun's tomb — 1 year later
- 1935–1937 Italy invades Ethiopia — 14 years later
Asia
- 1918–1934 Basmachi movement — 3 years earlier
- 1919 Amritsar massacre — 2 years earlier
- 1923 Great Kantō earthquake — 2 years later
- 1924 National delimitation of Central Asia — 3 years later
- 1945 Atomic bombing of Hiroshima — 24 years later
Americas
- 1913 Ford's moving assembly line — 8 years earlier
- 1914 Opening of the Panama Canal — 7 years earlier
- 1914 Death of Martha, the last passenger pigeon — 7 years earlier
- 1920–1933 Prohibition in the United States — 1 year earlier
- 1929 Wall Street Crash — 8 years later
Oceania
- 1911 Amundsen reaches the South Pole — 10 years earlier
- 1912 The death of Scott's polar party — 9 years earlier
- 1936 Death of the last thylacine — 15 years later
- 1941 Attack on Pearl Harbor — 20 years later
- 1942 The Battle of Midway — 21 years later
Alive at the time
- Thomas Edison (aged 74)
- Nikola Tesla (aged 65)
- Marie Curie (aged 54)
- Mahatma Gandhi (aged 52)
- Vladimir Lenin (aged 51)
- Ernest Rutherford (aged 50)
- Winston Churchill (aged 47)
- Joseph Stalin (aged 43)
- Albert Einstein (aged 42)
- Pablo Picasso (aged 40)