478 aircraft - 372 Lancasters, 90 Halifaxes, 16 Mosquitos - of Nos 1, 6 and 8 Groups to Mannheim in Bomber Command's last large-scale raid on the city. 3 Lancasters lost. This was a general attack on the city area. Skymarking was used because of the complete cloud cover. No details of the raid are available.
151 Lancasters of No 3 Group attacked an oil plant at Kamen through cloud.
