Battle of the Atlantic
- U-107 sinks the Dutch tanker Marisa (8029t) off the coast of west Africa with the loss of 2 of her crew. Some of the 47 survivors in 2 lifeboats are picked up by the British corvette Columbine and the British patrol yacht Surprise. A third lifeboat makes it to French Guinea.
- The British steamer Statesman (7939t) is sunk by German bombing northwest of Ireland with the loss of 1 crewman.
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]Crete
German preparations for the attack on the island are completed in Greece. The date for the operation fixed for May 18 is put off to the 20th. The air offensive continues.
[ | ]Diplomatic Relations
The USSR concludes its agreement with the Raschid Ali régime in Iraq.
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Iraq
Italian aircraft arrive to assist in Iraq's struggle against the British.
[ | ]Mediterranean
The British tanker Eleonora Maersk (10,694t) is sunk by German bombing in Suda Bay. 20 of the crew are lost, 7 are made prisoners of war and 17 are rescued. The Greek steamer Themoni (5719t) is also sunk in the German air attack.
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