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 |
Willi Königsberger b.1885 d.1954 | ||||||||
Hans Peter Königsberger b.1921 d. | ||||||||
Konrad Königsberger b.1923 d. | Louis Sachs b.1820 d.1868 Breslau, Poland | |||||||
Willi Sachs b.1864 d.1909 Berlin, Germany | Auguste Bielschowsky b.1829 d.1877 | |||||||
Gertrud Sachs b.1892 d. | Moritz Forell b.1831 d.1874 Breslau, Poland | |||||||
Hedwig Forell b.1868 d.1927 Berlin, Germany | Auguste Bielschowsky b.1839 d.1923 Breslau, Poland | |||||||