Kammala jumla mai zuwa: An kara yawan masu tsaron Welsh zuwa uku a lokacin yakin duniya na biyu. 1st Battalion ya yi yaƙi da jaruntaka a duk kamfen na
Gidan wasan kwaikwayo na Arewa maso Yammacin Turai. Rukunin na biyu, wani ɓangare na Brigade na 20 na 'Yancin kai (Guards), ya yi yaƙi a takaice a Boulogne, Faransa, a ƙarshen Mayu 1940, yayin da na 1 ya yi yaƙi a yaƙe-yaƙe na Belgium da Faransa a matsayin wani ɓangare na Sojojin GHQ na British Expeditionary Force (BEF). A watan Mayu na 1940 a yakin Arras, 'yan tsaron Welsh sun sami lambar yabo ta Victoria ta biyu ta Lieutenant Christopher Furness, wanda daga baya aka kashe shi a cikin aikin. Daga baya, Bataliya ta 1 ta kasance wani ɓangare na koma baya zuwa Dunkirk, inda suka shiga cikin ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan