|  | 1914 - 1918 World War I 1922 USSR formed by Soviet states 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins | 1871 Franco - Prussian War 1895 Marconi invents wireless telegraphy 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage | 1815 Battle of Waterloo, Napoleon defeat 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal | 
|  |  |  |  |  |  |  |  |  | 
|  |  |  |  | |||||
|  |  |  | ||||||
|  |  | Günther Subki b.1884 d. | ||||||
|  |  |  |  |  | ||||
|  |  | |||||||
|  |  | |||||||
|  |  |  | ||||||
|  |  |  |  | |||||
|  |  |  | Max Lauterbach b.1854 d.1896 Breslau, Poland | |||||
|  |  |  | ||||||
|  |  | Gertrud Lauterbach b.1883 d. |  |  | Alexander Bielschowsky b.1810 d.1883 Breslau, Poland |  | ||
|  |  |  |  |  | ||||
|  |  |  | Lina Bielschowsky b.1859 d.1931 Berlin, Germany |  | Ernestine Efrim b.1812 d.1877 Breslau, Poland | |||
|  |  | |||||||
|  |  |  | ||||||