Mechanised Infantry Brigade Iron Wolf was named after a mythical creature first found in which text?
Mechanised Infantry Brigade Iron Wolf:  The name of the brigade relates to the Lithuanian mythical character from the medieval foundation legend of the Vilnius city. Iron Wolf (character):  First found in the Lithuanian Chronicles, the legend shares certain similarities with the Capitoline Wolf and possibly reflected Lithuanian desire to showcase their legendary origins from the Roman Empire (see the Palemonids).
the Lithuanian Chronicles