Johann Friedrich Plehn, b: 1773 -

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}

^{1804 Napoleon becomes French Emperor}
^{1805 Battle of Trafalgar, Nelson killed}
^{1815 Battle of Waterloo, Napoleon defeat}
^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}

^{1770 Cook discovers New South Wales}
^{1776 America declares independence}
^{1789 Geo. Washington 1st USA president}
^{1789 French Revolution begins}
^{1798 Irish revolt against English rule}




			^{Johann Friedrich Plehn}^{b.1773 d.1818}



	^{Anna Maria Plehn}^{b.1793 Mulde bei Danzi, Germany d.1848}



			^{Anna Maria Zabrinski}^{b.1773 d.1818}