Mary Anna Koener, b:

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}

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




			^{Valentine Nagel}^{b.1846 Fishbach Bei Da, Germany d.1874 Phalz, Germany}



	^{Mary Anne Nagel}^{b.1863 Phalz, Germany d.1924 Wheeling, WV}



			^{Mary Anna Koener}^{b. Germany d.}