Still, suspecting the Bolsheviks intended to turn them over to Germans, the Czechoslovak Legion seized Chelyabinsk and then one town after another: Penza (May 29), Omsk (June 7), Samara (June 8), Ufa (July 5), Simbirsk (July 22), and so on, until they held the entire Trans-Siberian Railway as well as much of the Volga valley, more than two thirds of the former Russian empire.265 They conquered more territory than anyone else in the Great War.