TIGR, an abbreviation for Trst (Trieste), Istra (Istria), Gorica (Gorizia) and Reka (Rijeka), full name Revolutionary Organization of the Julian March T.I.G.R. (Revolucionarna organizacija Julijske krajine T.I.G.R.), was a militant anti-fascist and insurgent organization established as a response to the Fascist Italianization of the Slovene minori... Found on http://en.wikipedia.org/wiki/TIGR