Did Slovakia invade Poland in 1939?

Yes At the time Slovakia was a client state of the Nazi's and had to cooperate with them. Slovakia brought only 3 divisions and not too much combat ocurred. read more

The Slovak invasion of Poland occurred during Germany's invasion of Poland in September 1939. The recently created Slovak Republic joined the attack, and the Slovak Field Army Bernolák contributed over 50,000 soldiers in three divisions. read more

The Invasion of Poland in 1939 marked the start of World War II. It was led by the Nazis, a small contingent of Slovaks, and the Soviet Union. The invasion from Germany started on September 1, 1939 following the signing of the Molotov-Ribbentrop pact, while the invasion from the Soviet Union started slightly later on September 17th. read more