Balkan Wars
The Ottomans lose almost all of Europe — a prelude to world war

In 1912 Serbia, Bulgaria, Greece and Montenegro routed the Ottoman Empire, then fell out over the spoils in 1913. The quarrel over Macedonia and Serbia's rise helped bring on the First World War.
Wikipedia (Russian) · Wikipedia (English) · 20th century
Meanwhile around the world (±25 years)
Whole world
- 1914–1918 World War I — 2 years later
- 1918–1920 Spanish flu pandemic — 6 years later
- 1920 League of Nations founded — 8 years later
Eastern Europe & Russia
- 1908 Tunguska event — 4 years earlier
- 1917 October Revolution — 5 years later
- 1917–1922 Russian Civil War — 5 years later
- 1929–1933 Collectivization in the Soviet Union — 17 years later
- 1936–1938 Great Purge — 24 years later
Middle East
- 1908 Oil struck at Masjed Soleyman — 4 years earlier
- 1908 Young Turk Revolution — 4 years earlier
- 1915 Armenian genocide — 3 years later
- 1916 Sykes–Picot Agreement — 4 years later
- 1916–1918 The Arab Revolt — 4 years later
Africa
- 1897 The British sack Benin City — 15 years earlier
- 1904–1908 The Herero and Nama genocide — 8 years earlier
- 1922 Discovery of Tutankhamun's tomb — 10 years later
- 1935–1937 Italy invades Ethiopia — 23 years later
Asia
- 1894–1895 First Sino-Japanese War — 18 years earlier
- 1894 Yersin identifies the plague bacterium — 18 years earlier
- 1896–1898 Philippine Revolution — 16 years earlier
- 1911–1912 Xinhai Revolution — 1 year earlier
- 1923 Great Kantō earthquake — 11 years later
Americas
- 1910–1920 Mexican Revolution — 2 years earlier
- 1913 Ford's moving assembly line — 1 year later
- 1914 Opening of the Panama Canal — 2 years later
- 1914 Death of Martha, the last passenger pigeon — 2 years later
- 1929 Wall Street Crash and the Great Depression — 17 years later
Oceania
- 1893 New Zealand women win the vote — 19 years earlier
- 1893 Overthrow of the Hawaiian Kingdom — 19 years earlier
- 1911 Amundsen reaches the South Pole — 1 year earlier
- 1912 The death of Scott's polar party — same year
- 1936 Death of the last thylacine — 24 years later
Alive at the time
- Thomas Edison (aged 65)
- Nikola Tesla (aged 56)
- Marie Curie (aged 45)
- Mahatma Gandhi (aged 43)
- Vladimir Lenin (aged 42)
- Ernest Rutherford (aged 41)
- Winston Churchill (aged 38)
- Joseph Stalin (aged 34)
- Albert Einstein (aged 33)
- Pablo Picasso (aged 31)