The 10th Cavalry Brigade (Polish: 10. Brygada Kawalerii) was a Polish military unit, the only fully operational Polish motorized infantry unit during the Invasion of Poland of 1939, at the onset of World War II. Commanded by Col. (later General) Stanisław Maczek, it is considered the only Polish World War II military unit not to lose a single battle

Vickers E tank of the 10th Bde - Poland 1939

Polish 10th Armoured Cavalry Brigade (Polish 10 Brygada Kawalerii Pancernej, French 10e Brigade blindée polonaise) was an armoured unit of the Polish Army. Organized in France during World War II as part of the Polish Army in France, mostly by the veterans of the 10th Motorized Cavalry Brigade who managed to escape from Nazi and Soviet occupied Poland. Led by general Stanisław Maczek, it took part in the Battle of France of 1940. It was later recreated in Great Britain as a part of the First Polish Armoured Division

Polish 10th Armoured Cavalry Brigade 1938

Edward Smigly- Rydz (1886-1941). From 1912 engaged in struggle for independence; served in the Legion; commanded the Central front in 1920. From 1935, Inspector General of the Polish Army and its commander-in-chief. In September 1939 interned in Rumania. Returned secretly to Poland in 1941.