A Petersen, 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}




^Not known^{b. d.1987}



		^{Peter Hans Petersen}^{b.1859 Kvķv, Streymoyar Sżsla d.}

	^{Jens Nicolai Petersen}^{b.1894 Kvivik bygd and , Strųmų d.1990}	^{Petrine Mikkelsen}^{b.1869 Leinum, Streymoyar Sżsla d.}

^A Petersen^{b. d.}		^{Jacob Egholm}^{b.1860 Kvivik Bygd and sogn Str d.}

	^{Augusta Birgitte Egholm}^{b.1898 Kvivik By, Strųmų Syssel d.}	^{Sunnuva Davidsen}^{b.1866 Kvivik Bygd and sogn Str d.1906 Kvivik Bygd and sogn Str}