Nine British Royal Navy Swordfish aircraft of 813 Squadron from HMS Eagle flew 100 miles west from Sidi Barrani, Egypt to attack the Italian naval base at Tobruk, Libya. Destroyer Zeffiro was sunk, destroyer Euro's bow was blown off, troop transport Liguria was damaged and was beached to prevent sinking, merchant vessel Manzoni was sunk, and merchant vessel Serenitas was damaged.
