Juliane Hentschel, b: -

^{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}




			^{Augustin Leckelt}^{b. Riegersdorf/Warthe i. Sc d.}



	^{Ludwig Leckelt}^{b.1811 Riegersdorf/Warthe i. Sc d.1888}



			^{Juliane Hentschel}^{b. d.}