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 |
Franz Leppmann b.1879 d. | ||||||||
Seelig Bielschowsky b.1811 d.1895 Namslau, Opole, Poland | ||||||||
Albert Bielschowsky b.1847 Namslau, Opole, Poland d.1902 Berlin, Germany | Rosalie Schweitzer b.1812 d.1893 Namslau, Opole, Poland | |||||||
Margarete Bielschowsky b.1879 d.1915 | Louis Sachs b.1820 d.1868 Breslau, Poland | |||||||
Anna Sachs b.1850 d.1906 Berlin, Germany | Auguste Bielschowsky b.1829 d.1877 | |||||||