February Revolution
Nicholas II abdicates and Russia's monarchy falls

Strikes and bread riots in Petrograd in February 1917 grew into an uprising joined by the garrison. Nicholas II abdicated, the monarchy fell, and power passed to the Provisional Government, which shared it uneasily with the Petrograd Soviet.
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Meanwhile around the world (±25 years)
Whole world
- 1914–1918 World War I — 3 years earlier
- 1918–1920 Spanish flu pandemic — 1 year later
- 1920 League of Nations founded — 3 years later
- 1939–1945 World War II — 22 years later
Europe
- 1905 Einstein's miracle year and relativity — 12 years earlier
- 1919 Treaty of Versailles — 2 years later
- 1928 Discovery of penicillin — 11 years later
- 1933 Hitler comes to power — 16 years later
- 1936–1939 Spanish Civil War — 19 years later
Middle East
- 1908 Oil struck at Masjed Soleyman — 9 years earlier
- 1908 Young Turk Revolution — 9 years earlier
- 1915 Armenian genocide — 2 years earlier
- 1916 Sykes–Picot Agreement — 1 year earlier
- 1916–1918 The Arab Revolt — 1 year earlier
Africa
- 1897 The British sack Benin City — 20 years earlier
- 1904–1908 The Herero and Nama genocide — 13 years earlier
- 1922 Discovery of Tutankhamun's tomb — 5 years later
- 1935–1937 Italy invades Ethiopia — 18 years later
Asia
- 1896–1898 Philippine Revolution — 21 years earlier
- 1911–1912 Xinhai Revolution — 6 years earlier
- 1923 Great Kantō earthquake — 6 years later
- 1931 China floods — 14 years later
- 1934–1935 Long March — 17 years later
Americas
- 1910–1920 Mexican Revolution — 7 years earlier
- 1913 Ford's moving assembly line — 4 years earlier
- 1914 Opening of the Panama Canal — 3 years earlier
- 1914 Death of Martha, the last passenger pigeon — 3 years earlier
- 1929 Wall Street Crash and the Great Depression — 12 years later
Oceania
- 1893 New Zealand women win the vote — 24 years earlier
- 1893 Overthrow of the Hawaiian Kingdom — 24 years earlier
- 1911 Amundsen reaches the South Pole — 6 years earlier
- 1912 The death of Scott's polar party — 5 years earlier
- 1936 Death of the last thylacine — 19 years later
Alive at the time
- Thomas Edison (aged 70)
- Nikola Tesla (aged 61)
- Marie Curie (aged 50)
- Mahatma Gandhi (aged 48)
- Vladimir Lenin (aged 47)
- Ernest Rutherford (aged 46)
- Winston Churchill (aged 43)
- Joseph Stalin (aged 39)
- Albert Einstein (aged 38)
- Pablo Picasso (aged 36)