sentences:  The location of modern-day Churs proved to be extremely pivotal in Armenian history.On 26 May 451 AD, a decisive battle was fought at the location that would be one of the single most important events in Armenian history.On the Avarayr Plain, at what is modern-day Churs in the West Azerbaijan Province, the Armenian Army under Vardan Mamikonian clashed with Sassanid Persia.