John Steffen Olk, b: 1898

^{1929 The Great Depression begins}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1919 World War I}

^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}


			^Peter Olk^{b.1827 Olk, Germany d.1893 Dale, Outagamie, WI}

		^{John B. Olk}^{b.1859 Dale, WI d.1927 Antigo, Langlade, WI}	^{Margaret Miller}^{b.1824 Germany d.1918 Hortonville, WI}

^John Olk^{b. d.}	^{John Steffen Olk}^{b.1898 Antigo, Langlade, WI d.1945 OshKosh, WI}		^{John Steffen}^{b. Germany d.}

^{Marjorie Olk}^{b. d.}		^{Mary E. Steffen}^{b.1861 Hortonville, WI d.1929 Antigo, Langlade, WI}	^{Appolonia Stark}^{b. Germany d.}

^{Virginia Mae Olk}^{b. d.}

^Patrick Olk^{b. d.}		^Fred Koske^{b. d.}

	^{Flora Mae Koske}^{b.1899 WI d.}

		^{Wilhelmine Brennecke}^{b. d.}