Olga BOLTON, b: 1889 -

^{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}




^{William Ashton GRIME}^{b. d. Y/}





	^{Thomas BOLTON}^{b.1858 Livsey, Blackburn, Lancs d. Y/}

^Olga BOLTON^{b.1889 d.1936}		^{William HAYTHORNTHWAITE}^{b.1829 Hollins, Slaidburn, Yorks d.1909 Blackburn, Lancs}

	^{Jane Ann HAYTHORNTHWAITE}^{b.1855 Blackburn, Lancs d.1919 Blackburn, Lancs}	^{Mary Ann GRIMSHAW}^{b.1831 Blackburn, Lancs d.1899 Witton, Blackburn, Lancs}