18 April 1942
Atlantic Ocean : German armed merchant cruiser Michel intercepted British tanker Patella with gunfire 136 miles east of Rio de Janeiro, Brazil at dawn, killing 3; the remaining crew of 60 were taken off before the ship was scuttled.
German submarine U-136 torpedoed and damaged US tanker Axtell J. Byles 5 kilometers off Cape Hatteras, North Carolina, United States.
North Sea : German cargo ship Seefahrer struck a mine and sank off Borkum , North Sea.
Mediterranean Sea : Royal Navy submarine HMS Torbay torpedoed and sank German army transport ship Bellona 60 miles east of Cape Colonna, Italy at 1125 hours.
Operation Calendar : American aircraft carrier USS Wasp along with her escorts passed through the Strait of Gibraltar en route to Malta to ferry Spitfire fighters to besied island.
Rzhev-Vyazma Front , Russia : The destruction in German-occupied Russia, of a Soviet partisan force in Dorogobuzh; its commander, Colonel Yefremov, having been severely wounded in the back, unable to help his men and unwilling to be taken prisoner, put a pistol to his temple. âBoys,â he said, âthis is the end for me, but you go on fighting.â Then he shot himself; his men, fighting on, though almost beaten, never gave up. Some, reaching the nearby front line, returned in due course to harry the Germans behind the lines.
London , UK : Soviet Foreign Minister Vyacheslav Molotov arrives London to open talks for a Second Front in Western Europe (something British are absolutely against)
Vichy France : François Darlan stepped down as the Vichy French Vice Premier as well as the Minister of the Navy.
Rabaul , New Britain : B-26 Marauder bombers of US 5th Air Force attacked Simpson Harbor and Lakunai airfield at Rabaul, New Britain, Bismarck Archipelago at 1030 hours. Japanese cargo ship Akomaki Maru was sunk (killing 11), as was another Japanese cargo vessel Komaki Maru as her load of aviation fuel detonated. Lakunai airfield received light damage. After the attack, 80 Australian prisoners of war were executed by the Japanese for having cheered during the attack.
Panay , Philippines : The 1st Battalion of the 63rd Infantry Regiment of the 61st Philippine Division under Captain Julian Chaves pushed back Japanese troops at Mount Dila-Dila on Panay, Philippine Islands.
Burma : Although the 113th Regiment of the Chinese 38th Division under General Sun Liren and the British 7th Armoured Brigade had reached near Yenangyaung, Burma, they could not prevent the Japanese troops from capturing the city; the final elements of British troops fleeing out of the city destroyed the power station to prevent Japanese use.
Elsewhere Japanese destroy 55th Chinese Division at Mauchi , the supply route to Lashio is threatened.
Andaman Islands , Burma : Hudson bombers of No. 139 Squadron RAF from Akyab island, Burma attacked Japanese facilities on the Andaman Islands which had been the Squadronâs base until it was abandoned in Mar 1942.
Japan : Doolittle Raid : 16 US Army Air Force B-25 bombers launched from USS Hornet attacked Tokyo, Yokohama, Yokosuka, Kobe, Osaka, Nagoya, and other targets in the Japanese home islands at about 1200 hours.
Most of the bombers would fly on to crash land in or bail out over China their crews were rescued by Nationalist Chinese , while one landed in Russia and the crew were interned by the Soviets, who had a non-aggression treaty in place with Japan. Two other bombers crash-landed on Japanese controlled territory; of their eight crew members, captured by the Japanese, three were executed. Angered by the raid, which showed that the heart of the Empire of the Rising Sun was not invulnerable, the Japanese occupied the Chinese province of Chekiang, intending thereby to prevent further overlying missions.
Melbourne , Australia : General MacArthur was appointed to command the Southwest Pacific Theater.