7th May 1945
''On May 7, 1945, the German High Command, in the person of General Alfred Jodl, signs the unconditional surrender of all German forces, East and West, at Reims, in northeastern France.''
https://www.history.com/this-day-in-history/germany-surrenders-unconditionally-to-the-allies-at-reims#:~:text=On%20May%207%2C%201945%2C%20the,at%20Reims%2C%20in%20northeastern%20France.