Event:
Trogloraptor marchingtoni, an unusual spider discovered in 2010 is determined to be a new family of spiders previously unknown in the world of science; the new spider family has been named Trogloraptor, meaning 'cave robber'
More Notable Events on August 17:
1988 Republicans nominate George H. W. Bush for president
1962 Beatles replaces Pete Best with Ringo Starr
1959 7.1 quake strikes Yellowstone National Park
1945 Koreas divided on 38th parallel with U.S. occupying the southern area
1870 1st ascent of Mount Rainier, Washington
