WW2 War Diary for Friday, August 13, 1943:
Sea War
Mediterranean: Convoy MKS.21 attacked by He 111 torpedo planes of KG 26. Germans claim devastating results, but only 2 ships actually damaged.
Arctic: U-boat group Dachs (‘Badger’) lays mines in Kara Sea. (U-639 lost, August 28.)
Eastern Front
Central Sector: Left wing of ‘Kalinin Front’ attack northeast of Smolensk.
Air War
Germany: B-24 Liberator bombers from North African bases carry out surprise attack on Messerschmitt works at Wiener Neustadt – first Allied attack on Austrian target.
Pacific: B-24 Liberators raid Balikpapan oil installations (Borneo).
Mediterranean
Sicily: British troops capture Randazzo, vital road junction, southwest of Messina.