![]() | 1922 USSR formed by Soviet states 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins 1964 - 1973 Vietnam War | 1895 Marconi invents wireless telegraphy 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage 1914 - 1918 World War I | 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal 1871 Franco - Prussian War |
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![]() | ![]() | ![]() | ![]() | ![]() | Louis Sachs b.1820 d.1868 Breslau, Poland | |||
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![]() | ![]() | ![]() | Willi Sachs b.1864 d.1909 Berlin, Germany | ![]() | Auguste Bielschowsky b.1829 d.1877 | ![]() | ||
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![]() | ![]() | Erich Sachs b.1899 d. | ![]() | ![]() | Moritz Forell b.1831 d.1874 Breslau, Poland | |||
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![]() | ![]() | ![]() | Hedwig Forell b.1868 d.1927 Berlin, Germany | ![]() | Auguste Bielschowsky b.1839 d.1923 Breslau, Poland | ![]() | ||
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![]() | Barbara Charlotte Sachs b.1927 d. | ![]() | ![]() | ![]() | ![]() | Robert Bielschowsky b.1831 d.1894 Oels, Wroclaw, Poland | ![]() | |
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![]() | ![]() | ![]() | Carl Israel Bielschowsky b.1861 d.1919 Oels, Wroclaw, Poland | ![]() | Elfriede Lippmann b.1835 d.1904 Oels, Wroclaw, Poland | |||
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![]() | ![]() | Johanna Bielschowsky b.1896 d.1957 | ||||||
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![]() | ![]() | ![]() | Rosa Sara Romann b.1872 d.1912 Oels, Wroclaw, Poland | |||||
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