WW2 War Diary for Friday, July 30, 1943:
Air War
Germany: 8th AF raids Fieseler aircraft works at Kassel. RAF night attack with 228 bombers and 693t bombs on Remscheid (Ruhr), centre of German machine-tool industry. 245 RAF bombers attacking Saarbruecken (night July 29-30) and dropping 576t of bombs.