23: Beginning of so-called Baedeker Raids by the Luftwaffe on English provincial towns like Exeter, Bath, Norwich, and York; attacks continue sporadically until June 6.
23: Awal Serangan Baedeker oleh Luftwaffe di beberapa kota di Inggris seperti Bath, Norwich, dan York; serangan berlanjut secara menyebar hingga 6 Juni.