Burton Ravins, b: Private -

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{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}



		^{Aaron Ravnitzky}^{b.1898 Kossow, Byelorus d.1971}

	^{Burton Ravins}^{b. Private d.}

		^{Hannah Milchman}^{b.1901 London, England d.1995}

^Dani Ravins^{b. Private d.}

		^{Nathan Hellner}^{b.1887 Plebanovka, Poland d.1968}

	^{Nasha Helner}^{b.1928 Buffalo, New York d.1974}

		^Mollie Katz^{b.1889 Tremboula, Poland d.1952}