Mutual Aid Agreement between UK, USA, Australia and New Zealand.
Pacific: Japanese submarine I-17 shells oil installations near Santa Barbara, California (night February 23-24).
North Sea: German heavy cruiser Prinz Eugen torpedoed off Trondheim by British sub Trident.
Germany: Death of Prof August von Parseval, aeronautical engineer and inventor of the Parse val ‘kite balloon’ used on Western Front in World War One; aged 81.
Brazil: Stefan Zweig exiled Austrian author and his wife commit suicide at Petropolis; (Stefan) aged 60.