Percy BRETT, b: -

^{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}




^Percy BRETT^{b. d. Y/}



		^{Henry HAYTHORNTHWAITE}^{b.1827 Alston, Longridge, Lancs d.1901 Preston, Lancs}

	^{James HAYTHORNTHWAITE}^{b.1869 Thornley, Lancs d.1943 Nelson, Lancs}	^{Mary Ann BLACKBURN}^{b.1841 Caton, Lancs d.1900 Preston, Lancs}

^{Ada HAYTHORNTHWAITE}^{b.1899 Nelson, Lancs d. Y/}

	^{Elizabeth Ellen DUERDEN}^{b.1874 Blackburn, Lancs d.1952 Macclesfield, Cheshire}