When the Soviet Union invaded, Rydz-Śmigły was initially inclined to order the eastern border forces to resist, but was dissuaded by Prime Minister Felicjan Sławoj Składkowski and President Ignacy Mościcki.
Cando a Unión Soviética invadiu, Rydz-Śmigły estaba inicialmente inclinado a que as forzas fronteirizas do leste resistisen, pero foi disuadido polo primeiro ministro Felicjan Sławoj Składkowski e o presidente Ignacy Mościcki.