Event:
Head-on collision between two buses kills 21 (Ankara, Turkey)
More Notable Events on August 11:
1989 Voyager 2 discovers 2 partial rings of Neptune
1978 Legionnaire's disease bacteria isolated in Atlanta
1975 U.S. vetoes proposed admission of North and South Vietnam to U.N.
1960 Chad declares Independence from France
1924 1st newsreel pictures of presidential candidates were taken
