https://www.historic-uk.com/HistoryUK/HistoryofBritain/Evacuation-of-Dunkirk/
Between 27th May and 4th June 1940, nearly 700 ships brought over 338,000 people back to Britain, including more than 100,000 soldiers of the French Army. All heavy equipment was abandoned and left in France, including over 2,000 pieces of artillery and 85,000 motor vehicles. Also left behind were more than 440 British tanks that had been sent to France with the BEF.