Leonard Mercer, b: -

^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}

^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}

^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}




	^{Leonard Mercer}^{b. d.1940 Sheffield, United Kingdom}

^John Mercer^{b.1936 d.1940 Sheffield, United Kingdom}

^{Pauline Mercer}^{b.1937 d.1940 Sheffield, United Kingdom}			^{Herbert Tutin}^{b.1864 Nottingh, United Kingdom d.1905 Wilford Notts United King}

^{Peter Mercer}^{b.1938 d.1940 Sheffield, United Kingdom}		^{Thomas William Tutin}^{b.1886 d.1961}	^{Jane Ann Clarke}^{b.1866 Bootle Liverpool Lancashi d.}

	^{Winnifred Tutin}^{b.1912 d.1940 Sheffield, United Kingdom}

		^{Ada Harriet Gregory}^{b.1889 d.1956}