The Grand Duke Gediminas Staff Battalion (Lithuanian: Gedimino štabo batalionas) is a unit of the Lithuanian Armed Forces, whose staff it protects. It is also charged with representing Lithuania and its army by providing guard of honour at official events in Lithuania and abroad. The battalion traditionally celebrates on 25 August, because on that day in 1919, the 1st Infantry Regiment with other Lithuanian Army units won the final victory against Bolsheviks at Zarasai. The unit has a museum, which has functioned for more than 20 years.