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 |
| ||||||||
Hans b. Hamburg, Germany d.1914 | Marcus Bielschowsky b.1817 d.1904 Berlin, Germany | |||||||
Isidor Bielschowsky b.1845 d.1921 Breslau, Poland | Rosalie Loewenthal b.1821 d.1902 Berlin, Germany | |||||||
Else Bielschowsky b.1881 d. | ||||||||
Anna Loewenthal b.1852 d.1906 Breslau, Poland | ||||||||