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 |
Walter Riess b.1912 d. | Ernst Riess b.1880 d. | |||||||
Rudolf Riess b.1914 d. | ||||||||
Anna Riess b.1916 d. | ||||||||
Stefan Riess b.1924 d. | Simon Hirsekorn b.1854 d.1909 Berlin, Germany | |||||||
Lucie Hirsekorn b.1886 d. | Alexander Bielschowsky b.1836 d.1904 | |||||||
Klara Bielschowsky b.1863 d. | Dorothea Haase b.1842 d.1930 | |||||||