May 27, 1927 (Friday)
- The United Kingdom officially terminated diplomatic relations with the Soviet Union. A note from Foreign Secretary Neville Chamberlain, delivered to the Soviet legation at Chesham House in London, directed the chargé d'affaires and his staff to leave the country within ten days. "
- Born: Ralph Carmichael, American composer and arranger; Heinrich Holland, German biochemist, in Mannheim
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