“Polish Thermopyles”. How Volunteers stopped the Mounted Army

**The conflict close Zadwórzem of 17 August 1920, fought by Polish volunteers with russian cavalry, is present referred to as “Polish Thermopyls”. Many Polish historians and publicists attribute large importance to the clash — stopping the round-the-clock march of Semyon Budyonny's 1st Mounted Army on Lviv and thus saving the city. Was it truly so? **