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 |
Paul Heyn b.1862 d.1929 Breslau, Poland | ||||||||
Max Heyn b.1899 d. | ||||||||
Hilde Heyn b.1902 d.1921 | Seelig Bielschowsky b.1811 d.1895 Namslau, Opole, Poland | |||||||
Max Bielschowsky b.1844 d.1888 Breslau, Poland | Rosalie Schweitzer b.1812 d.1893 Namslau, Opole, Poland | |||||||
Else Bielschowsky b.1875 d.1943 Theresien, Czech Republic | ||||||||
Bertha Meidner b.1848 d.1912 Breslau, Poland | ||||||||