Stanislav Čeček was born in Austria-Hungary in the family of a forester, studied in a trading school at Praha. Since 1911 he worked at the Moscow office of "Laurin a Klement" company. When the First World War began, Čeček joined the "Czech team" of Russia Army. At March 31, 1917 he was awarded by Order of St. George (4th degree). Later he took part in formation the Czechoslovak Legion, became a commander of the 4th Regiment.