April 13

London, England • April 13, 1939 Following the Nazi occupation of Czecho­slo­va­kia’s Ger­man-speaking Sude­ten­land in Octo­ber 1938 and the in­va­sion and in­cor­po­ra­tion of the rest of Czecho­slo­va­kia into the Reich in mid-March 1939, Great Britain, France, Poland, Greece, and Roma­nia entered into mutu­al assist­ance pacts in case of a mili­tary in­va­sion by “a Euro­pean power,”…