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WWII On This Day: May 17

What happened on May 17 during World War II? This date brings together 2 events from 1940 and 1944, with period photographs and links to the full operations documented across WW2 Theatres.

1940
German troops in northern France during the campaign of 1940.
Bundesarchiv Bild 101I-299-1808-10A · CC BY-SA 3.0 DE · Source
Battle of France 1940

De Gaulle attacks the southern flank of the German corridor

Colonel Charles de Gaulle led the newly forming 4e Division cuirassée in attacks around Montcornet on 17 May and Crécy-sur-Serre on 19 May against the southern flank and communications of the German advance. French armour reached German rear-area positions and caused disruption before German anti-tank fire and Luftwaffe attack forced withdrawals. The division was still assembling and lacked the full infantry, artillery and logistical structure of a mature formation. The actions showed how concentrated French armour could create local danger along the corridor. Their scale and timing left the main…

Continue in Battle of France 1940 →
1944
British 17-pounder anti-tank gun and Sherman tank near Cassino on 17 May 1944; IWM NA 15075.
British 17-pounder anti-tank gun and Sherman tank near Cassino on 17 May 1944; IWM NA 15075. No. 2 Army Film & Photographic Unit / Imperial War Museums · UK Government public domain Source

Polish troops renew their assault on the heights

The Polish II Corps renewed attacks on the high ground around the monastery on 17 May, fighting toward the ridges that covered the valley and the abbey. German defenders were increasingly threatened by Allied advances elsewhere along the line. A British official photograph shows a 17-pounder gun with a Sherman tank near Cassino that day, documenting the armour and anti-tank support used around the advance.

Continue in Cassino and Anzio: The Road to Rome →