 Complete the following phrase:  The museums collection includes over 38,000 artifacts, stored in thirteen halls. The exhibition begins at the 17th century foundation of the Khabarovka military outpost by the 13th Siberian Battalion. It extensively covers the events of the Russian Civil War in the Far East of the country and includes the train wagon used as headquarters by Vasily Blyukher which can be found in the museums yard. Other conflicts covered in the museum are the 