| 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 |
![]() | Alfred Stern b.1885 Breslau, Poland d.1963, Brazil | |||||||
| Fritz Stern b. d. | ||||||||
| Anna Susanne Stern b.1920 d. | ![]() | ![]() | Seelig Bielschowsky b.1811 d.1895 Namslau, Opole, Poland | |||||
| Rudolf Stern b.1922 d. | ![]() | Siegfried Bielschowsky b.1849 d.1909 Breslau, Poland | Rosalie Schweitzer b.1812 d.1893 Namslau, Opole, Poland | |||||
![]() | Eva Bielschowsky b.1891, Germany d.1957, Brazil | |||||||
![]() | ![]() | Hulda Haber b.1860 d.1951, Brazil | ||||||
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