Kristian Frederik Brorson Bay, b: 1826 -

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}

^{1830 French Revolution}
^{1837 Queen Victoria assumes throne}
^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}




			^{Kristian Frederik Brorson Bay}^{b.1826 d.1867}



	^{Elna Elisabeth Bay}^{b.1867 d.1913}



			^{Anna Kathrine Karoline Bisgaard}^{b.1833 d.1867}