November 20, 1981 (Friday)
- World Chess Championship 1981: Reigning champion Anatoly Karpov retained his title when challenger Viktor Korchnoi conceded the 18th game of the series, giving Karpov the sixth win in the match, that had started on October 1 at the Kurzentrum playing hall in Merano, Italy. The game had been adjourned the day before. With the game set to resume at 5:00 pm, Korchnoi submitted his resignation of the game to chief referee Paul Klein at 3:15.
- The Canada-U.S. Boundary Settlement Treaty for the Gulf of Maine went into effect, after having been ratified by the U.S. Senate on June 3 and by the Canadian Senate on November 17.
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Famous quotes containing the word november:
“Necessity makes women very weak or very strong, and pent-up rivers are sometimes dangerous. Look to it!”
—Mary Worthington, U.S. women’s magazine contributor. The Lily, p. 183 ( November 1856)