Abraham Stern

Avraham Stern (, Avraham Shtern), alias Yair (יאיר; December 23, 1907 – February 12, 1942) was one of the leaders of the Jewish paramilitary organization Irgun. In September 1940, he founded a breakaway militant Zionist group named Lehi, called the Stern Gang by the British authorities and by the mainstream in the Yishuv Jewish establishment.

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