Roy A. Dahlgren, b: 1905 - Merriman. Ne.,

^{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}



		^{Arthur Dahlgren}^{b.1879 d.1915}

	^{Roy A. Dahlgren}^{b.1905 Merriman. Ne. d.1962 Pawnee City, ME.}

^{Robert Roy Dahlgren}^{b. Private d.}		^{Minnie Diehm}^{b.1871 d.1967}

^{John Lee Dahlgren}^{b. Private d.}			^{Petrus Laurenz Pestinger}^{b.1844 Schlesien d.1912 Tipton, Kansas}

		^{John Joseph Pestinger}^{b.1890 Tipton, Ks. d.1968 Pawnee City, Ne.}	^{Juliane Rada}^{b.1847 Czechoslovakia d.1910 Tipton, Ks.}

	^{Opal Viola Pestinger}^{b. Private d.}		^Arthur Lee^{b.1870 d.1902}

		^{Dora Margaret Lee}^{b.1893 Rapid City, So. Dak. d.1999 Pawnee City, Ne.}	^Lena Starke^{b.1870 Germany d.1902}