Helen HAYTHORNTHWAITE, b: 1915

^{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}




	^{Herbert CALVERT}^b.1912 d.

^{David Owram CALVERT}^{b. Private d.}

^{James Alec CALVERT}^{b. Private d.}			^{Thomas Ski HAYTHORNTHWAITE}^{b.1851 Roeburndale, Lancs d.1931 Burrow with Burro, Lancs}

		^{James HAYTHORNTHWAITE}^{b.1886 Wray, Lancs d.1951 Worth Valley, Yorks}	^{Isabella MAUDSLEY}^{b.1855 Rathmell, Settle, Yorks d.1935 Lunesdale, Lancs}

	^{Helen HAYTHORNTHWAITE}^{b.1915 Settle, Yorks d.}

		^Ruth WILSON^{b.1884 d.1977}