Event:
Longest U.S. men's single tournament match Palmer Presbrey defeats T S Tailer, 19-21, 8-6, 6-1, 6-4, an 80-game 1st-round contest
More Notable Events on August 20: 1982 U.S. Marines land in Beirut, Lebanon
1980 Mount Everest climbed by Italian Reinhold Messner, alone
1977 NASA launches Voyager 2 towards Jupiter, Saturn, Uranus and Neptune
1929 1st airship flight around Earth flying eastward completed
1741 Alaska discovered by Danish explorer Vitus Bering
