Hebrew acronym for Brit Yosef Trumpeldor (Joseph Trumpeldor Pact). A Revisionist Zionist youth movement founded in 1923 in Riga, named after Joseph Trumpeldor, and affiliated with the Revisionist Movement, the movement's ideological mentor was Vladimir Ze'ev Jabotinsky. BETAR's ideological tenets were Jewish statehood, territorial integrity of the homeland, ingathering of the exiles, the centrality of the Zionist idea, cultivation of the Hebrew language, social justice, military preparedness for defense, national service, and hadar—a code of honor and strict personal behavior. Following Israel's War of Independence (1948—19), Betar founded agricultural and rural settlements. It also supports a sports society by the same name.
Historical Dictionary of Israel. Bernard Reich David H. Goldberg. Edited by Jon Woronoff..